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
Mar. 31, 2025	Mar. 31, 2024
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	$ 36,194	$ 199,974
Sales	38,010	188,167
Purchases	224,307	108,080
Write-offs of allowance for loan losses related to loans transferred to held-for-sale	2,000	1,000
Originated
Loans Receivable and Allowance for Credit Losses
Sales	34,000	92,000
Loans sold in secondary market \| Purchased
Loans Receivable and Allowance for Credit Losses
Sales	4,000	96,000
Commercial lending \| C&I
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	6,356	199,974
Sales	6,356	187,202
Purchases	136,943	33,344
Commercial lending \| CRE
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	20,338
Sales	20,338
Purchases	0
Commercial lending \| Construction and Land
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	9,500
Sales	11,316
Purchases	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
Sales	0	965
Purchases	$ 87,364	$ 74,736

Financing Receivable, Excluding Accrued Interest, Allowance For Credit Loss, Writeoff, Reclassification To Held-For-Sale

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- References

No definition available.

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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

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- Definition

Amount excluding accrued interest, of financing receivable reclassified to held-for-sale. 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 (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

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- Definition

Amount excluding accrued interest, of decrease in financing receivable from sale. Excludes net investment in lease.

+ References

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