Investment Securities - Summary of Investment Securities that were in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Available for Sale
Fair value, less than 12 months	$ 412,623	$ 107,448
Unrealized losses, less than 12 months	3,930	679
Fair value, 12 months or more	137,294	161,290
Unrealized losses, 12 months or more	12,204	12,105
Fair value, total	549,917	268,738
Unrealized losses, total	16,134	12,784
Held to maturity:
Fair value, less than 12 months	17,293	0
Unrealized losses, less than 12 months	1,060	0
Fair value, 12 months or more	3,130	3,804
Unrealized losses, 12 months or more	41	45
Fair value, total	20,423	3,804
Unrealized losses, total	1,101	45
U.S. Treasuries
Available for Sale
Fair value, less than 12 months	81,697	7,550
Unrealized losses, less than 12 months	670	8
Fair value, 12 months or more	0	4,810
Unrealized losses, 12 months or more	0	12
Fair value, total	81,697	12,360
Unrealized losses, total	670	20
U.S. Government agency obligations
Available for Sale
Fair value, less than 12 months	110,301	9,553
Unrealized losses, less than 12 months	844	37
Fair value, 12 months or more	41,478	50,710
Unrealized losses, 12 months or more	2,792	2,683
Fair value, total	151,779	60,263
Unrealized losses, total	3,636	2,720
Residential mortgage-backed securities
Available for Sale
Fair value, less than 12 months	74,469	23,659
Unrealized losses, less than 12 months	911	269
Fair value, 12 months or more	47,181	51,188
Unrealized losses, 12 months or more	6,938	6,833
Fair value, total	121,650	74,847
Unrealized losses, total	7,849	7,102
Commercial mortgage-backed securities
Available for Sale
Fair value, less than 12 months	124,539	54,855
Unrealized losses, less than 12 months	1,320	306
Fair value, 12 months or more	2,820	2,827
Unrealized losses, 12 months or more	266	264
Fair value, total	127,359	57,682
Unrealized losses, total	1,586	570
Corporate investments
Available for Sale
Fair value, less than 12 months	7,973	3,515
Unrealized losses, less than 12 months	27	6
Fair value, 12 months or more	24,225	26,541
Unrealized losses, 12 months or more	1,296	1,479
Fair value, total	32,198	30,056
Unrealized losses, total	1,323	1,485
States and political subdivisions
Available for Sale
Fair value, less than 12 months	13,644	8,316
Unrealized losses, less than 12 months	158	53
Fair value, 12 months or more	21,590	25,214
Unrealized losses, 12 months or more	912	834
Fair value, total	35,234	33,530
Unrealized losses, total	1,070	887
Held to maturity:
Fair value, less than 12 months	17,293	0
Unrealized losses, less than 12 months	1,060	0
Fair value, 12 months or more	3,130	3,804
Unrealized losses, 12 months or more	41	45
Fair value, total	20,423	3,804
Unrealized losses, total	$ 1,101	$ 45

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