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SEC Schedule, Article 12-29, Mortgage Loans on Real Estate (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
loan
Rate
Oct. 03, 2022
USD ($)
Dec. 31, 2021
USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 11,617,079    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans 175,734    
Loans, at fair value 11,626,008 [1],[2] $ 7,698,426 $ 2,415,321 [1],[2]
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Federal Income Tax Basis 2,200,000    
Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages 404,324    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans 17,656    
Loans, at fair value 404,324   326,197
Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages 3,115,518    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans 50,994    
Loans, at fair value 3,115,518   2,016,228
Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages 8,097,237    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans 107,084    
Loans, at fair value 8,097,237   0
Securitized loans [Member] | Consolidated Entities [Member] | Non-QM loan securitization | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Loans, at fair value 1,665,000   $ 1,041,545
Securitized loans [Member] | Consolidated Entities [Member] | GNMA HMBS | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Loans, at fair value $ 7,900,000    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 7    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 1,026    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 460    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2034    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2051    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 217    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 31,713    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,466    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Aug. 01, 2046    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2050    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 10    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,151    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,683    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2047    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2049    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 210    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 59,998    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,447    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2046    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2060    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 6    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,440    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 3,595    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 01, 2035    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.37%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Sep. 01, 2055    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 67    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 33,750    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2047    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.75%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2060    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 1,489    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,654    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Dec. 01, 2048    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.75%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2049    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 23    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 16,005    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,599    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.13%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2047    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.38%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 01, 2059    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 15    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 14,721    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.24%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2047    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2061    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 7    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 8,313    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2046    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2060    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 2,956    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.75%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2048    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2049    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 3    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 6,111    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.49%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2048    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Sep. 01, 2059    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 4,407    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 01, 2049    
Adjustable rate mortgages | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2061    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2,000    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 290,655    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 6,569    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 2.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 13.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2063    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1,457    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 217,151    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 579    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2047    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1,211    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 376,573    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 5,043    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 13.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2063    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1,293    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 382,551    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 4,861    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.13%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Dec. 01, 2034    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.38%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 356    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 193,457    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,212    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 529    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 271,827    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2047    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 234    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 178,687    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 5,041    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 12.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 230    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 165,821    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2037    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.63%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 113    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 107,197    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,171    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.15%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 122    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 114,709    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,200    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2048    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.38%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 68    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 74,687    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,016    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Aug. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 95    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 109,266    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2048    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 41    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 54,431    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,046    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2063    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 51    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 69,930    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2047    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 5    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 10,407    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date May 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2052    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 11    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 21,779    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.63%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2050    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Sep. 01, 2061    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 5    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 10,971    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.63%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2052    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 10    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 22,184    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2051    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,50,000 and $2,749,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 31    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 49,225    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,618    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.27%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 30    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 47,257    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2050    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.88%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 22    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 36,552    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,967    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 16    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 27,092    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2050    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 6.38%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 8    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 18,102    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,767    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.75%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2053    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 6    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 14,174    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2051    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Nov. 01, 2061    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 8    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 18,963    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 14, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.24%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Dec. 01, 2061    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 7    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 17,917    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 3.38%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Oct. 01, 2050    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 5.75%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2062    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 1,735    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | Rate 8.99%    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jul. 18, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,999 | Securitized loans [Member] | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 5,442    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | Rate 4.50%    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,999 | Securitized loans [Member] | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 4.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2051    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,999 | Securitized loans [Member] | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Sep. 01, 2061    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $4,000,000 and $4,249,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,211    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $4,000,000 and $4,249,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.55%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $4,000,000 and $4,249,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 06, 2024    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $8,500,000 and $8,749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,435    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | Rate 10.00%    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $8,500,000 and $8,749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2024    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $9,500,000 and $9,749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 5,928    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | Rate 8.50%    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $9,500,000 and $9,749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.50%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2024    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,500,000 and $3,749,999 | Residential mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 7,122    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,500,000 and $3,749,999 | Residential mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 7.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 03, 2023    
Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,500,000 and $3,749,999 | Residential mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.99%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jun. 01, 2023    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 24,944    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,727,832    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 59,298    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 1.32%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.75%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 10,187    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,537,389    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 42,434    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 1.44%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.75%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 562    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 319,604    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,695    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 2.54%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.75%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 7    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 6,387    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.39%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.64%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 3,809    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.64%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.64%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 2,165    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.39%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.39%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $0 and $4,999,999 | Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 8    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 25,684    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $0 and $4,999,999 | Commercial mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.98%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Apr. 01, 2023    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $0 and $4,999,999 | Commercial mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 12.13%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Sep. 01, 2024    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 24    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 178,689    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.86%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2023    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 12.23%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Aug. 01, 2024    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 11    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 121,555    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.00%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2023    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 12.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Jan. 01, 2025    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 3    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 36,305    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 17,656    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 11.25%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2023    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 14.57%    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $40,000,000 and $44,999,999 | Commercial mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 2    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 42,091    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $40,000,000 and $44,999,999 | Commercial mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.23%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Feb. 01, 2024    
Adjustable Rate Loans | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $40,000,000 and $44,999,999 | Commercial mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.61%    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date Mar. 01, 2024    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 853    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 140,803    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 1,642    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 2.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.24%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 824    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 271,509    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 2,015    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 2.85%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.49%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 96    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 51,145    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 2.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.49%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 11    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 9,618    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.49%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.63%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 6    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 6,653    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.75%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.38%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 4    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 5,318    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.38%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.38%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 5    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 7,962    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.75%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 10.49%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 2,304    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 1,825    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 8.99%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Reverse mortgage loans      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan 1    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages $ 2,914    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans $ 0    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Reverse mortgage loans | Minimum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.38%    
Fixed Income Interest Rate | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,750,000 and $2,999,999 | Reverse mortgage loans | Maximum      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate 9.38%    
[1] Ellington Financial Inc.'s Consolidated Balance Sheets include assets and liabilities of variable interest entities it has consolidated. See Note 11 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.
[2] Includes assets pledged as collateral to counterparties. See Note 13 for additional details on the Company's borrowings and related collateral.