v3.26.1
Borrowings (Schedule of Debt Repayments) (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Debt Instrument [Line Items]  
Expected Principal Repayments Related to Consolidated Reverse Mortgage Loan Securitizations $ 375,600
Expected Principal Repayments Related to Consolidated European Mortgage Loan Securitizations 15,400
RTL loans  
Debt Instrument [Line Items]  
Expected principal repayments related to consolidated residential mortgage loan securitizations 53,000
Non-QM loans  
Debt Instrument [Line Items]  
Expected principal repayments related to consolidated residential mortgage loan securitizations 750,700
Repurchase Agreements  
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months 2,136,543
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 730,285
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 28,144
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four 0
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five 0
Total Scheduled Repayment of Principal 2,894,972
Other Secured Borrowings  
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months 529,584
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 295,929
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 235,273
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four 203,472
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five 194,978
Total Scheduled Repayment of Principal 1,459,236
HMBS-related obligations  
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months 1,438,274
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 1,077,878
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 1,047,789
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four 1,359,188
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five 1,856,949
Total Scheduled Repayment of Principal 6,780,078
Unsecured Borrowings  
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months 37,750
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 210,000
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 0
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four 0
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five 400,000
Total Scheduled Repayment of Principal 647,750
Total  
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months 4,142,151
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 2,314,092
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 1,311,206
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four 1,562,660
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five 2,451,927
Total Scheduled Repayment of Principal $ 11,782,036