Fair Value Measurements - Valuation Techniques and Unobservable Inputs Related to Level 3 Assets (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 2,050,942	$ 1,384,983
Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,983,912	1,332,240
Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	67,030	52,743
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	2,050,942	1,367,393
Level 3 | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	1,983,912	1,314,650
Level 3 | Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 67,030	$ 52,743
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 specific 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	0.09	0.093
Mortgage servicing rights, at fair value	0.08	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	0.007
Mortgage servicing rights, at fair value	0.022	0.053
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	0.001	0
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 | 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	0.50
Mortgage servicing rights, at fair value	0.133	0.16
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	0.02	0.017
Level 3 | 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	0.13	0.148
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 specific 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	0.09	0.093
Mortgage servicing rights, at fair value	0.08	0.08
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	0.07	0.058
Mortgage servicing rights, at fair value	0.047	0.065
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	0.008	0.007
Level 3 | 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	0.02	0.021
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	$ 50,757	$ 44,268
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	16,273	8,475
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	1,971,683	1,306,072
Level 3 | Mortgage Servicing Rights | Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total recurring fair value measurements	$ 12,229	$ 8,578