Loans Held for Investment - Performance of the MLTB (Details) - Commercial loans - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 12,161	$ 851
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	12,161	851
30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0	0
60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0	0
90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0	0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	12,161
Commercial and industrial | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	12,161
Commercial and industrial | 30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Commercial and industrial | 60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0
Commercial and industrial | 90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 0
CRE owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance		851
CRE owner-occupied | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance		851
CRE owner-occupied | 30-59
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance		0
CRE owner-occupied | 60-89
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance		0
CRE owner-occupied | 90+
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance		$ 0