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Loans - Schedule of Credit Quality Information on Residential Mortgage Loans (Details) - Residential Portfolio Segment $ in Thousands	Dec. 31, 2025 USD ($) loan	Dec. 31, 2024 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 8,251,113	$ 6,781,862
Loan count | loan	31,561	18,876
Mortgage loans 90+ days delinquent	$ 54,000	$ 51,900
Mortgage loans in process of foreclosure	57,100	57,900
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	7,998,723	6,522,024
30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	96,162	102,528
60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	39,171	38,657
90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	115,917	116,637
Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 194,046	$ 216,547
Loan count | loan	1,459	1,530
Residential Mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 172,066	$ 205,867
Residential Mortgage | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	2,143	1,808
Residential Mortgage | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,112	1,162
Residential Mortgage | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	17,585	5,694
Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 36,578	$ 13,098
Loan count | loan	53	24
Non-Agency Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 16,468	$ 4,967
Non-Agency Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,444	1,275
Non-Agency Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,112	1,162
Non-Agency Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	17,554	5,694
Home Equity Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 135,804	$ 99,863
Loan count | loan	1,368	1,292
Home Equity Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 135,773	$ 99,838
Home Equity Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	25
Home Equity Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Home Equity Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	31	0
Re- and Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,140	2,016
Agency-Eligible Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 20,524	$ 101,570
Loan count | loan	38	214
Agency-Eligible Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 19,825	$ 101,062
Agency-Eligible Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	699	508
Agency-Eligible Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Agency-Eligible Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Securitized Residential Mortgage Loans | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 8,057,067	$ 6,565,315
Loan count | loan	30,102	17,346
Securitized Residential Mortgage Loans | Residential Mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 7,826,657	$ 6,316,157
Securitized Residential Mortgage Loans | Residential Mortgage | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	94,019	100,720
Securitized Residential Mortgage Loans | Residential Mortgage | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	38,059	37,495
Securitized Residential Mortgage Loans | Residential Mortgage | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	98,332	110,943
Securitized Residential Mortgage Loans | Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 7,026,365	$ 6,382,814
Loan count | loan	18,430	16,087
Securitized Residential Mortgage Loans | Non-Agency Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 6,833,324	$ 6,183,680
Securitized Residential Mortgage Loans | Non-Agency Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	76,326	86,606
Securitized Residential Mortgage Loans | Non-Agency Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	32,323	33,793
Securitized Residential Mortgage Loans | Non-Agency Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	84,392	78,735
Securitized Residential Mortgage Loans | Home Equity Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 874,718
Loan count | loan	10,599
Securitized Residential Mortgage Loans | Home Equity Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 869,432
Securitized Residential Mortgage Loans | Home Equity Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	2,963
Securitized Residential Mortgage Loans | Home Equity Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	489
Securitized Residential Mortgage Loans | Home Equity Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,834
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 155,984	$ 182,501
Loan count | loan	1,073	1,259
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 123,901	$ 132,477
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	14,730	14,114
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	5,247	3,702
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans | 90+ Days (2)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 12,106	$ 32,208

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- Definition

Mortgage Loans In Excess Of 90 Days Delinquent, Amount

+ References

No definition available.

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Number Of Loans With Balances

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 35
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-35

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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
-Paragraph 4
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

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