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Off-balance Sheet Arrangements, Commitments and Contingencies - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) SubleaseArrangement	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Allowance for credit losses on off-balance sheet credit exposures	$ 37,646	$ 36,503	$ 29,947
Number of sublease arrangement | SubleaseArrangement	1
Sublease income	$ 3,400	3,100	3,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities
Operating lease, weighted average remaining lease term	6 years 1 month 6 days
Operating lease, weighted average discount rate, percent	3.00%
Operating lease, payments	$ 11,500	12,000	10,900
Right-of-Use asset obtained in exchange for operating lease liability	33,400
Operating lease rent expense	11,500	$ 12,100	$ 10,900
Merger [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Right-of-Use asset obtained in exchange for operating lease liability	$ 5,200
Minimum [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Lessee operating lease remaining lease term	1 year
Maximum [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Lessee operating lease remaining lease term	15 years
Commitments to Extend Credit [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Amount of commitment to extend credit and standby letters of credit	$ 193,700
Commitments to Extend Credit [Member] | Minimum [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Percentage of commitments to extend credit and standby letters of credit fixed rate	0.00%
Commitments to Extend Credit [Member] | Maximum [Member]
Offbalance Sheet Arrangements Commitments And Contingencies Details [Line Items]
Percentage of commitments to extend credit and standby letters of credit fixed rate	21.00%

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Percentage of commitments to extend credit and standby letters of credit, fixed rate.

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The fair value of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of operating lease expense. Excludes sublease income.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of sublease income excluding finance and operating lease expense.

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