Investment Securities - Summary of Amortized Cost and Fair Value of the Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,142,455	$ 1,037,394
Gross Unrealized Gains	5,528	10,178
Gross Unrealized Losses	16,134	12,784
Fair Value	1,131,849	1,034,788
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	166,588	176,313
Gross Unrealized Gains	1,003	1,890
Gross Unrealized Losses	670	20
Fair Value	166,921	178,183
U.S. Government agency obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	453,573	409,211
Gross Unrealized Gains	2,713	5,216
Gross Unrealized Losses	3,636	2,720
Fair Value	452,650	411,707
Residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	143,923	131,440
Gross Unrealized Gains	101	529
Gross Unrealized Losses	7,849	7,102
Fair Value	136,175	124,867
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	266,269	213,209
Gross Unrealized Gains	978	1,674
Gross Unrealized Losses	1,586	570
Fair Value	265,661	214,313
Corporate investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	51,976	50,475
Gross Unrealized Gains	439	395
Gross Unrealized Losses	1,323	1,485
Fair Value	51,092	49,385
States and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	60,126	56,746
Gross Unrealized Gains	294	474
Gross Unrealized Losses	1,070	887
Fair Value	$ 59,350	$ 56,333

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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