v3.26.1
Loans - Schedule of Credit Quality Information on Residential Mortgage Loans (Details) - Residential Portfolio Segment
$ in Thousands
Jun. 30, 2026
USD ($)
loan
Dec. 31, 2025
USD ($)
loan
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 7,526,027 $ 8,251,113
Loan Count | loan 29,617 31,561
Mortgage loans 90+ days delinquent $ 52,900 $ 54,000
Mortgage loans in process of foreclosure 41,700 57,100
Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 7,298,020 $ 7,998,723
Percent of Unpaid Principal Balance 97.00% 96.90%
30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 87,990 $ 96,162
Percent of Unpaid Principal Balance 1.20% 1.20%
60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 39,976 $ 39,171
Percent of Unpaid Principal Balance 0.50% 0.50%
90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 99,191 $ 115,917
Percent of Unpaid Principal Balance 1.30% 1.40%
Residential mortgage loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 253,882 $ 194,046
Loan Count | loan 2,425 1,459
Residential mortgage loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 248,927 $ 172,066
Residential mortgage loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 511 2,143
Residential mortgage loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 1,112
Residential mortgage loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 3,594 17,585
Residential mortgage loans | Securitized Residential Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 7,272,145 $ 8,057,067
Loan Count | loan 27,192 30,102
Residential mortgage loans | Securitized Residential Mortgage Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 7,049,093 $ 7,826,657
Residential mortgage loans | Securitized Residential Mortgage Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 87,479 94,019
Residential mortgage loans | Securitized Residential Mortgage Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 39,976 38,059
Residential mortgage loans | Securitized Residential Mortgage Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 95,597 98,332
Non-Agency Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 7,179 $ 36,578
Loan Count | loan 10 53
Non-Agency Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 3,896 $ 16,468
Non-Agency Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 511 1,444
Non-Agency Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 1,112
Non-Agency Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 2,772 17,554
Non-Agency Loans | Securitized Residential Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 6,397,864 $ 7,026,365
Loan Count | loan 17,097 18,430
Non-Agency Loans | Securitized Residential Mortgage Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 6,212,884 $ 6,833,324
Non-Agency Loans | Securitized Residential Mortgage Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 72,785 76,326
Non-Agency Loans | Securitized Residential Mortgage Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 35,768 32,323
Non-Agency Loans | Securitized Residential Mortgage Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 76,427 84,392
Home Equity Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 225,684 $ 135,804
Loan Count | loan 2,377 1,368
Home Equity Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 225,315 $ 135,773
Home Equity Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 0
Home Equity Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 0
Home Equity Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 369 31
Home Equity Loans | Securitized Residential Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 726,148 $ 874,718
Loan Count | loan 9,076 10,599
Home Equity Loans | Securitized Residential Mortgage Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 716,679 $ 869,432
Home Equity Loans | Securitized Residential Mortgage Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 3,476 2,963
Home Equity Loans | Securitized Residential Mortgage Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 549 489
Home Equity Loans | Securitized Residential Mortgage Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 5,444 1,834
Re- and Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 850 1,140
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 148,133 $ 155,984
Loan Count | loan 1,019 1,073
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 119,530 $ 123,901
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 11,218 14,730
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 3,659 5,247
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 13,726 12,106
Agency-Eligible Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 20,169 $ 20,524
Loan Count | loan 38 38
Agency-Eligible Loans | Current    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 19,716 $ 19,825
Agency-Eligible Loans | 30-59 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 699
Agency-Eligible Loans | 60-89 Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance 0 0
Agency-Eligible Loans | 90+ Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unpaid Principal Balance $ 453 $ 0