Fair Value Measurements - Valuation Techniques and Unobservable Inputs Related to Level 3 Assets (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 1,376,508	$ 310,124
Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,332,240	285,333
Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	44,268	24,791
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,367,393	310,124
Level 3 | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,314,650	285,333
Level 3 | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 52,743	$ 24,791
Level 3 | Valuation, Market Approach | Measurement Input Selling Cost | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Individually evaluated loans requiring allowance, net	0.08	0.08
Real estate owned, net	0.08	0.08
Level 3 | Discounted Cash Flow | Discount rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.093
Mortgage servicing rights, at fair value	0.08
Level 3 | Minimum | Discounted Cash Flow | Discount rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value		0.0835
Mortgage servicing rights, at fair value		0.08
Level 3 | Minimum | Discounted Cash Flow | Measurement Input, Prepayment Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.007	0.01
Mortgage servicing rights, at fair value	0.053	0.056
Level 3 | Minimum | Discounted Cash Flow | Default Rate [Member] | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0	0.0012
Level 3 | Minimum | Discounted Cash Flow | Loss Severity Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0	0
Level 3 | Maximum | Discounted Cash Flow | Discount rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value		0.0935
Mortgage servicing rights, at fair value		0.12
Level 3 | Maximum | Discounted Cash Flow | Measurement Input, Prepayment Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.50	0.30
Mortgage servicing rights, at fair value	0.16	0.168
Level 3 | Maximum | Discounted Cash Flow | Default Rate [Member] | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.017	0.0699
Level 3 | Weighted Average | Valuation, Market Approach | Measurement Input Selling Cost | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Individually evaluated loans requiring allowance, net	0.08	0.08
Real estate owned, net	0.08	0.08
Level 3 | Weighted Average | Discounted Cash Flow | Discount rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.093	0.089
Mortgage servicing rights, at fair value	0.08	0.081
Level 3 | Weighted Average | Discounted Cash Flow | Measurement Input, Prepayment Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.058	0.151
Mortgage servicing rights, at fair value	0.065	0.063
Level 3 | Weighted Average | Discounted Cash Flow | Default Rate [Member] | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.007	0.006
Level 3 | Individually evaluated loans requiring allowance net | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 8,475	$ 11,466
Level 3 | Real Estate Owned, Net | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	44,268	13,325
Level 3 | Loans Held for Investment | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,306,072	276,095
Level 3 | Mortgage Servicing Rights | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 8,578	$ 9,238
Level 3 | Mortgage Servicing Rights | Maximum | Discounted Cash Flow | Loss Severity Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.148	0.1845
Level 3 | Mortgage Servicing Rights | Weighted Average | Discounted Cash Flow | Loss Severity Rate | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans held for investment, at fair value	0.021	0.035