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	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	$ 331,227	$ 659,322	$ 739,379
Sales	316,468	663,388	769,822
Purchases	965,704	999,993	599,775
Write-offs of allowance for loan losses related to loans transferred to held-for-sale	2,000	2,000	5,000
Originated
Loans Receivable and Allowance for Credit Losses
Sales	219,000	508,000	513,000
Loans sold in secondary market \| Purchased
Loans Receivable and Allowance for Credit Losses
Sales	97,000	156,000	256,000
Commercial Lending \| C&I
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	282,252	649,187	647,943
Sales	264,445	650,256	674,919
Purchases	450,314	612,364	106,493
Commercial Lending \| CRE
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	39,475	9,417	83,282
Sales	39,475	9,417	86,749
Purchases	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	9,500	718	8,154
Sales	11,316	718	8,154
Purchases	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
Sales	1,232	2,997	0
Purchases	$ 515,390	$ 387,629	$ 493,282

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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