Loans Held for Investment - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	$ 24,872	$ 30,905
Collateral Dependent Loans, ACL	3,999	1,742
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	24,872	30,905
Nonaccrual Loans with No ACL	20,873	29,163
Investor loans secured by real estate
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	9,772	13,742
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	9,772	13,742
Nonaccrual Loans with No ACL	9,772	13,742
Investor loans secured by real estate \| CRE non-owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	5,545	4,429
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	5,545	4,429
Nonaccrual Loans with No ACL	5,545	4,429
Investor loans secured by real estate \| Multifamily
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	3,708	8,780
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	3,708	8,780
Nonaccrual Loans with No ACL	3,708	8,780
Investor loans secured by real estate \| SBA secured by real estate
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	519	533
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	519	533
Nonaccrual Loans with No ACL	519	533
Business loans secured by real estate
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	10,292	12,666
Collateral Dependent Loans, ACL	0	1,742
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	10,292	12,666
Nonaccrual Loans with No ACL	10,292	10,924
Business loans secured by real estate \| SBA secured by real estate
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	1,190	1,191
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	1,190	1,191
Nonaccrual Loans with No ACL	1,190	1,191
Business loans secured by real estate \| CRE owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	9,102	11,475
Collateral Dependent Loans, ACL	0	1,742
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	9,102	11,475
Nonaccrual Loans with No ACL	9,102	9,733
Commercial loans
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	4,808	4,497
Collateral Dependent Loans, ACL	3,999	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	4,808	4,497
Nonaccrual Loans with No ACL	809	4,497
Commercial loans \| Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	4,236	3,908
Collateral Dependent Loans, ACL	3,999	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	4,236	3,908
Nonaccrual Loans with No ACL	237	3,908
Commercial loans \| SBA non-real estate secured
Financing Receivable, Nonaccrual [Line Items]
Collateral Dependent Loans , Balance	572	589
Collateral Dependent Loans, ACL	0	0
Non-Collateral Dependent Loans, Balance	0	0
Non-Collateral Dependent Loans, ACL	0	0
Total Nonaccrual Loans	572	589
Nonaccrual Loans with No ACL	$ 572	$ 589

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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