<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dbrg="http://www.digitalbridge.com/20210709"
  xmlns:dei="http://xbrl.sec.gov/dei/2020-01-31"
  xmlns:exch="http://xbrl.sec.gov/exch/2020-01-31"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2020-01-31"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="dbrg-20210709.xsd" xlink:type="simple"/>
    <context id="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <context id="id3470e6a20804aeeb76a670281ce7921_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:EntityListingsExchangeAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <context id="i7ff5301af34041e3bbfbe7ee6ff92e17_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesGPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:EntityListingsExchangeAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <context id="if75bd299b0d24191819ca308f1a65965_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesHPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:EntityListingsExchangeAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <context id="if85a5c9ddc6443d2a7b0d9b66afd5d1a_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">dbrg:SeriesIPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:EntityListingsExchangeAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <context id="i77edfba8d0b14a32acf9016eacfbe507_D20210709-20210709">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001679688</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">dbrg:SeriesJPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:EntityListingsExchangeAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-07-09</startDate>
            <endDate>2021-07-09</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl80L2ZyYWc6ZGQ0M2I5OTM5MGUxNDc4ODkzOGQxOGZmZGQ4YzY1NmIvdGFibGU6MmJiYTNlN2M4MTA5NGIwMWIwOTE4MDM2Y2I4N2Y3NzIvdGFibGVyYW5nZToyYmJhM2U3YzgxMDk0YjAxYjA5MTgwMzZjYjg3Zjc3Ml8yLTEtMS0xLTA_841f5d08-c470-4668-ab99-6701d2983335">0001679688</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl80L2ZyYWc6ZGQ0M2I5OTM5MGUxNDc4ODkzOGQxOGZmZGQ4YzY1NmIvdGFibGU6MmJiYTNlN2M4MTA5NGIwMWIwOTE4MDM2Y2I4N2Y3NzIvdGFibGVyYW5nZToyYmJhM2U3YzgxMDk0YjAxYjA5MTgwMzZjYjg3Zjc3Ml81LTEtMS0xLTA_5ad7b879-8253-4543-bb47-9298a19fac73">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MjE_e5baec5e-7f37-40a5-bbe8-335dea1a1e33">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl8yMjU_06761e2e-e29b-42d9-a917-cffa8d36bf54">2021-07-09</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6MjRhZWJmOTU4ZjE0NDJlYWI4M2VmYjk0YTA5ZTMzZTgvdGFibGVyYW5nZToyNGFlYmY5NThmMTQ0MmVhYjgzZWZiOTRhMDllMzNlOF8wLTEtMS0xLTA_2204ebcd-a5d6-4b18-bc23-153bbc7adaf1">DIGITALBRIDGE GROUP, INC.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6OWEzNmI4ZDE4Y2Q2NGE0YjhkMWUyZDc3NjI1Y2RiZTYvdGFibGVyYW5nZTo5YTM2YjhkMThjZDY0YTRiOGQxZTJkNzc2MjVjZGJlNl8wLTAtMS0xLTA_60bd5e0e-5451-4e59-af4e-d4915f884429">MD</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6OWEzNmI4ZDE4Y2Q2NGE0YjhkMWUyZDc3NjI1Y2RiZTYvdGFibGVyYW5nZTo5YTM2YjhkMThjZDY0YTRiOGQxZTJkNzc2MjVjZGJlNl8wLTItMS0xLTA_3108daf7-e159-4761-af2f-f67d279215d7">001-37980</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6OWEzNmI4ZDE4Y2Q2NGE0YjhkMWUyZDc3NjI1Y2RiZTYvdGFibGVyYW5nZTo5YTM2YjhkMThjZDY0YTRiOGQxZTJkNzc2MjVjZGJlNl8wLTQtMS0xLTA_40ce89a8-c652-467f-81a4-1d35f337fe00">46-4591526</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MjI_bfd5e95b-9693-4fab-9464-00b265b02ecd">750 Park of Commerce Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MjM_b7ae4f9a-9829-4eea-b0d1-185fe167af42">Suite 210</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MTY_642bd5e1-141b-42f9-9e7c-f47703e1a1d6">Boca Raton</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MTc_43cdf585-3f43-46d4-bc53-bd167d834905">FL</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MTg_4bdce459-7299-4e54-b0f6-1e27de3ccd9a">33487</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MTk_da0f097a-49f6-40f5-b892-d0cd949bde87">561</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGV4dHJlZ2lvbjoyZjdhZmM5ZTU5YTE0MWFkYTJjNjgwMmNmYWI1MTQ4Nl83MjA_8b26e3d6-fe15-4317-9159-28c1c6baf661">544-7475</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NmQwOWNmOTk4ZGJiNDdiZjhkMzU2M2MyMDBkMjFiYmQvdGFibGVyYW5nZTo2ZDA5Y2Y5OThkYmI0N2JmOGQzNTYzYzIwMGQyMWJiZF8xLTAtMS0xLTA_b2856b39-21ea-4928-8039-9d142faa7168">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NmQwOWNmOTk4ZGJiNDdiZjhkMzU2M2MyMDBkMjFiYmQvdGFibGVyYW5nZTo2ZDA5Y2Y5OThkYmI0N2JmOGQzNTYzYzIwMGQyMWJiZF8zLTAtMS0xLTA_862514f5-247d-40a7-b4df-0fa00366c682">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NmQwOWNmOTk4ZGJiNDdiZjhkMzU2M2MyMDBkMjFiYmQvdGFibGVyYW5nZTo2ZDA5Y2Y5OThkYmI0N2JmOGQzNTYzYzIwMGQyMWJiZF81LTAtMS0xLTA_dae46b22-8691-4dd2-8152-a49dc6c5c75e">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NmQwOWNmOTk4ZGJiNDdiZjhkMzU2M2MyMDBkMjFiYmQvdGFibGVyYW5nZTo2ZDA5Y2Y5OThkYmI0N2JmOGQzNTYzYzIwMGQyMWJiZF83LTAtMS0xLTA_be8e7fbe-8ad1-4e0f-86a0-474d521f9704">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="id3470e6a20804aeeb76a670281ce7921_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8yLTAtMS0xLTA_3426f6e7-35ef-4184-836f-8ff01599d87e">Class A Common Stock, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="id3470e6a20804aeeb76a670281ce7921_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8yLTItMS0xLTA_703b2536-cdc6-4652-aa5f-8a796976249f">DBRG</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="id3470e6a20804aeeb76a670281ce7921_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8yLTQtMS0xLTA_4f6f7f22-49a3-4629-9b85-e4bc874443d9">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="i7ff5301af34041e3bbfbe7ee6ff92e17_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8zLTAtMS0xLTA_cb21efce-91c5-4cf3-9e9e-05939988cb1d">Preferred Stock, 7.50% Series G Cumulative Redeemable, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i7ff5301af34041e3bbfbe7ee6ff92e17_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8zLTItMS0xLTA_2b4bf718-1c97-4b14-916f-8e9127e5d2ad">DBRG.PRG</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i7ff5301af34041e3bbfbe7ee6ff92e17_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV8zLTQtMS0xLTA_56bc0780-25c0-4f9b-a597-bf998686a6a8">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="if75bd299b0d24191819ca308f1a65965_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV80LTAtMS0xLTA_d76d6560-4aea-4633-b7a9-61f17d64b8ca">Preferred Stock, 7.125% Series H Cumulative Redeemable, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="if75bd299b0d24191819ca308f1a65965_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV80LTItMS0xLTA_9564278e-9efd-451b-86a6-e423ef9af9d1">DBRG.PRH</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="if75bd299b0d24191819ca308f1a65965_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV80LTQtMS0xLTA_a5f6bd81-9091-4549-a685-2a5204a7ac38">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="if85a5c9ddc6443d2a7b0d9b66afd5d1a_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV81LTAtMS0xLTA_cb9ea669-9ede-4b28-8f32-d656e272c918">Preferred Stock, 7.15% Series I Cumulative Redeemable, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="if85a5c9ddc6443d2a7b0d9b66afd5d1a_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV81LTItMS0xLTA_f928f4e9-e689-4bfd-b6ef-b2f9c96bc17b">DBRG.PRI</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="if85a5c9ddc6443d2a7b0d9b66afd5d1a_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV81LTQtMS0xLTA_a4c3cfa1-77ee-4e7c-b2cc-cafa9edd0dff">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="i77edfba8d0b14a32acf9016eacfbe507_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV82LTAtMS0xLTA_9bc440d9-5ed5-4f5e-a370-586bb8e125d3">Preferred Stock, 7.125% Series J Cumulative Redeemable, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i77edfba8d0b14a32acf9016eacfbe507_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV82LTItMS0xLTA_dd278b1a-64b7-4a7b-827d-092defd28e19">DBRG.PRJ</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i77edfba8d0b14a32acf9016eacfbe507_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6NDhlYTRhMTU5OGVhNGEyNDgxYTYxMGQ4YWJmYTBiYTEvdGFibGVyYW5nZTo0OGVhNGExNTk4ZWE0YTI0ODFhNjEwZDhhYmZhMGJhMV82LTQtMS0xLTA_fa3d9125-6296-4e91-8c50-a5be6a230f69">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="i8f8f6be2578a4cc5a0d6b3ac925c2514_D20210709-20210709"
      id="id3VybDovL2RvY3MudjEvZG9jOjZjMjRkOGIwMDQ2MTQ0Njc5MzZmNjI5MTQ2MzhjN2NmL3NlYzo2YzI0ZDhiMDA0NjE0NDY3OTM2ZjYyOTE0NjM4YzdjZl8xL2ZyYWc6MmY3YWZjOWU1OWExNDFhZGEyYzY4MDJjZmFiNTE0ODYvdGFibGU6ZmZiNjBmOTg2YTM5NGZiOWFiMWEyZTRkMjljNmVhNzcvdGFibGVyYW5nZTpmZmI2MGY5ODZhMzk0ZmI5YWIxYTJlNGQyOWM2ZWE3N18zLTItMS0xLTA_914865e9-2455-4b7a-b918-76acff4f4689">false</dei:EntityEmergingGrowthCompany>
</xbrl>
