Debt Securities - Summary of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	$ 917,048	$ 930,439
Securities, Available-For-Sale, Gross Unrealized Gains	1,446	820
Securities, Available-For-Sale, Gross Unrealized Losses	94,439	120,178
Securities, Available-For-Sale, Estimated Market Value	824,055	811,081
U.S. Treasury and Other U.S. Government Agencies
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	4,921	4,901
Securities, Available-For-Sale, Gross Unrealized Gains	0	0
Securities, Available-For-Sale, Gross Unrealized Losses	335	472
Securities, Available-For-Sale, Estimated Market Value	4,586	4,429
U.S. Government-sponsored enterprises (GSEs)
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	174,265	167,738
Securities, Available-For-Sale, Gross Unrealized Gains	41	0
Securities, Available-For-Sale, Gross Unrealized Losses	17,677	23,570
Securities, Available-For-Sale, Estimated Market Value	156,629	144,168
Mortgage-Backed Securities
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	501,465	480,759
Securities, Available-For-Sale, Gross Unrealized Gains	1,144	230
Securities, Available-For-Sale, Gross Unrealized Losses	52,168	63,959
Securities, Available-For-Sale, Estimated Market Value	450,441	417,030
Asset-Backed Securities
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	49,143	51,183
Securities, Available-For-Sale, Gross Unrealized Gains	124	193
Securities, Available-For-Sale, Gross Unrealized Losses	431	1,403
Securities, Available-For-Sale, Estimated Market Value	48,836	49,973
Corporate Bonds [Member]
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	2,500	2,500
Securities, Available-For-Sale, Gross Unrealized Gains	0	0
Securities, Available-For-Sale, Gross Unrealized Losses	104	77
Securities, Available-For-Sale, Estimated Market Value	2,396	2,423
Obligations of States and Political Subdivisions
Debt Securities, Available-for-Sale [Line Items]
Securities, Available-For-Sale, Amortized Cost	184,754	223,358
Securities, Available-For-Sale, Gross Unrealized Gains	137	397
Securities, Available-For-Sale, Gross Unrealized Losses	23,724	30,697
Securities, Available-For-Sale, Estimated Market Value	$ 161,167	$ 193,058

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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