Loans Held for Investment - Performance of the MLTB (Details) - Commercial loans $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 13,021
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	13,021
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
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	13,021
Commercial and industrial | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	13,021
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