Fair Value Disclosures - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for investment, net	$ 35,458
Impaired loans, carrying value	39,800
Allowance allocations	$ 4,300
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for sale, fair value		$ 0
CRT securities | Minimum
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt securities, available-for-sale, term	4 years 10 months 2 days
CRT securities | Maximum
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt securities, available-for-sale, term	8 years 5 months 1 day
Measurement Input, Discount Rate | CRT securities | Minimum
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt securities, available-for-sale, measurement input	0.0543
Measurement Input, Discount Rate | CRT securities | Maximum
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt securities, available-for-sale, measurement input	0.1137
Measurement Input, Discount Rate | CRT securities | Weighted Average
Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt securities, available-for-sale, measurement input	0.0744	0.0824
Debt securities, available-for-sale, term	6 years 18 days	6 years 3 months 3 days