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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, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | $ 307,182 | $ 227,189 | $ 646,797 | $ 507,215
Sales | 328,406 | 228,868 | 651,198 | 532,289
Purchases | 350,546 | 160,359 | 740,665 | 432,430
Write-offs of allowance for loan losses related to loans transferred to held-for-sale | 1,000 | 4,000 | 2,000 | 4,000
Originated |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Sales | 309,000 | 204,000 | 496,000 | 407,000
Loans sold in secondary market | Purchased |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Sales | 20,000 | 25,000 | 156,000 | 125,000
Commercial lending | C&I |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 307,182 | 201,299 | 646,079 | 469,571
Sales | 326,764 | 199,511 | 647,873 | 491,178
Purchases | 247,880 | 19,588 | 451,399 | 80,550
Commercial lending | CRE |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 0 | 25,890 | 0 | 29,490
Sales | 0 | 29,357 | 0 | 32,957
Purchases | 0 | 0 | 0 | 0
Commercial lending | Construction and land |  |  |  |
Loans Receivable and Allowance for Credit Losses |  |  |  |
Loans transferred from held-for-investment to held-for-sale | 0 | 0 | 718 | 8,154
Sales | 0 | 0 | 718 | 8,154
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 | 1,642 | 0 | 2,607 | 0
Purchases | $ 102,666 | $ 140,771 | $ 289,266 | $ 351,880

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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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