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Loans Receivable and Allowance for Credit Losses - Schedule Of Carrying Value Of Loans Transferred, Loans Sold and Purchased For the Held-For-Investment Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | $ 134,916 | $ 307,182 | $ 270,451 | $ 646,797
Sales | 127,489 | 328,406 | 256,236 | 651,198
Purchases | 156,645 | 350,546 | 711,700 | 740,665
Write-offs of allowance for loan losses related to loans transferred to held-for-sale |  | 1,000 | 2,000 | 2,000
Originated |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Sales | 37,000 | 309,000 | 159,000 | 496,000
Loans sold in secondary market | Purchased |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Sales | 90,000 | 20,000 | 97,000 | 156,000
Commercial lending | C&I |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 134,916 | 307,182 | 240,613 | 646,079
Sales | 127,489 | 326,764 | 224,186 | 647,873
Purchases | 34,677 | 247,880 | 339,321 | 451,399
Commercial lending | CRE |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 0 | 0 | 20,338 | 0
Sales | 0 | 0 | 20,338 | 0
Purchases | 0 | 0 | 0 | 0
Commercial lending | Land and construction |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 0 | 0 | 9,500 | 718
Sales | 0 | 0 | 11,316 | 718
Purchases | 0 | 0 | 0 | 0
Consumer lending | Single-Family Residential |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 0 | 0 | 0 | 0
Sales | 0 | 1,642 | 396 | 2,607
Purchases | $ 121,968 | $ 102,666 | $ 372,379 | $ 289,266

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- Definition Amount excluding accrued interest, of increase in financing receivable from purchase. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-11 + Details
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