Investment Securities - Summary of Investment Securities that were in an Unrealized Loss Position (Details) $ in Thousands	Jun. 30, 2024 USD ($) debtPosition	Dec. 31, 2023 USD ($) debtPosition
Available for Sale
Fair value, less than 12 months	$ 203,657	$ 14,300
Unrealized losses, less than 12 months	1,652	403
Fair value, 12 months or more	458,890	492,552
Unrealized losses, 12 months or more	42,464	44,077
Fair value, total	662,547	506,852
Unrealized losses, total	44,116	44,480
Held to maturity:
Fair value, less than 12 months	453	378
Unrealized losses, less than 12 months	10	1
Fair value, 12 months or more	5,111	5,675
Unrealized losses, 12 months or more	191	125
Fair value, total	5,564	6,053
Unrealized losses, total	$ 201	$ 126
Unrealized loss position, number of positions | debtPosition	361	317
U.S. Treasuries
Available for Sale
Fair value, less than 12 months	$ 53,774	$ 0
Unrealized losses, less than 12 months	517	0
Fair value, 12 months or more	4,610	9,534
Unrealized losses, 12 months or more	363	451
Fair value, total	58,384	9,534
Unrealized losses, total	880	451
U.S. Government agencies
Available for Sale
Fair value, less than 12 months	142,668	4,983
Unrealized losses, less than 12 months	957	17
Fair value, 12 months or more	291,331	315,605
Unrealized losses, 12 months or more	21,328	23,240
Fair value, total	433,999	320,588
Unrealized losses, total	22,285	23,257
Residential mortgage-backed securities
Available for Sale
Fair value, less than 12 months	2,226	118
Unrealized losses, less than 12 months	34	1
Fair value, 12 months or more	70,838	80,621
Unrealized losses, 12 months or more	11,027	9,990
Fair value, total	73,064	80,739
Unrealized losses, total	11,061	9,991
Commercial mortgage-backed securities
Available for Sale
Fair value, less than 12 months	0	0
Unrealized losses, less than 12 months	0	0
Fair value, 12 months or more	12,212	12,273
Unrealized losses, 12 months or more	1,385	1,402
Fair value, total	12,212	12,273
Unrealized losses, total	1,385	1,402
Asset-backed securities
Available for Sale
Fair value, less than 12 months	0	0
Unrealized losses, less than 12 months	0	0
Fair value, 12 months or more	0	1,477
Unrealized losses, 12 months or more	0	48
Fair value, total	0	1,477
Unrealized losses, total	0	48
Corporate investments
Available for Sale
Fair value, less than 12 months	390	4,045
Unrealized losses, less than 12 months	32	335
Fair value, 12 months or more	45,747	41,493
Unrealized losses, 12 months or more	6,253	7,506
Fair value, total	46,137	45,538
Unrealized losses, total	6,285	7,841
State and political subdivisions
Available for Sale
Fair value, less than 12 months	4,599	5,154
Unrealized losses, less than 12 months	112	50
Fair value, 12 months or more	34,152	31,549
Unrealized losses, 12 months or more	2,108	1,440
Fair value, total	38,751	36,703
Unrealized losses, total	2,220	1,490
Held to maturity:
Fair value, less than 12 months	453	378
Unrealized losses, less than 12 months	10	1
Fair value, 12 months or more	5,111	5,675
Unrealized losses, 12 months or more	191	125
Fair value, total	5,564	6,053
Unrealized losses, total	$ 201	$ 126