Loans Held for Investment - Performance of MLTB Under ASU 2022-02 (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 851
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	851
30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	851
Business loans secured by real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	851
Business loans secured by real estate | 30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate | 60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate | 90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate | CRE owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	851
Business loans secured by real estate | CRE owner-occupied | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	851
Business loans secured by real estate | CRE owner-occupied | 30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate | CRE owner-occupied | 60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Business loans secured by real estate | CRE owner-occupied | 90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 0