Loans and Allowance for Credit Losses on Loans - Summary of Amortized Cost of Gross Modified Loans Held for Investment (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 28,002	$ 360	$ 90,844	$ 51,905
Percentage of Loans Held for Investment	0.12%	0.00%	0.37%	0.23%
Payment Deferral
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 791	$ 360	$ 30,263	$ 28,082
Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	8,948	0	19,950	16,384
Payment Deferral and Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	18,263	0	40,631	7,439
Commercial
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 10,497	$ 360	$ 55,176	$ 36,074
Percentage of Loans Held for Investment	0.04%	0.00%	0.23%	0.16%
Interest Rate Reduction	0.00%	0.00%	0.00%	0.00%
Payment Deferrals	$ 814	$ 42	$ 6,711	$ 4,868
Commercial \| Minimum
Financing Receivable, Modifications [Line Items]
Term Extension (in months)	3 months	0 months	3 months	3 months
Commercial \| Maximum
Financing Receivable, Modifications [Line Items]
Term Extension (in months)	6 months		26 months
Commercial \| Payment Deferral
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 791	$ 360	$ 12,100	$ 28,082
Commercial \| Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	8,948	0	19,950	553
Commercial \| Payment Deferral and Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	758	$ 0	23,126	7,439
Commercial real estate
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 17,505		$ 35,668	$ 15,831
Percentage of Loans Held for Investment	0.07%		0.15%	0.07%
Interest Rate Reduction	0.00%		0.00%	0.00%
Term Extension (in months)	6 months
Payment Deferrals	$ 737		$ 1,106	$ 0
Commercial real estate \| Maximum
Financing Receivable, Modifications [Line Items]
Term Extension (in months)				3 months
Commercial real estate \| Payment Deferral
Financing Receivable, Modifications [Line Items]
Total modified in period	0		18,163	$ 0
Commercial real estate \| Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	0		0	15,831
Commercial real estate \| Payment Deferral and Term Extension
Financing Receivable, Modifications [Line Items]
Total modified in period	$ 17,505		$ 17,505	$ 0

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- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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