Securities - Securities with Unrealized Losses Aggregated by Investment Category and Time with Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	$ 963	$ 1,812
Less than 12 months, unrealized losses	1	29
More than 12 months, fair value	460,317	501,940
More than 12 months, unrealized losses	61,134	69,626
Total, fair value	461,280	503,752
Total, unrealized losses	61,135	69,655
U.S. Treasury Notes and Bonds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	80,502	80,194
More than 12 months, unrealized losses	9,373	10,151
Total, fair value	80,502	80,194
Total, unrealized losses	9,373	10,151
US States and Political Subdivisions Debt Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	557
Less than 12 months, unrealized losses	0	6
More than 12 months, fair value	228,236	234,125
More than 12 months, unrealized losses	30,579	35,230
Total, fair value	228,236	234,682
Total, unrealized losses	30,579	35,236
Mortgage-backed [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	963	1,255
Less than 12 months, unrealized losses	1	23
More than 12 months, fair value	142,170	176,400
More than 12 months, unrealized losses	20,954	23,882
Total, fair value	143,133	177,655
Total, unrealized losses	20,955	23,905
Corporate [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	212	204
More than 12 months, unrealized losses	38	46
Total, fair value	212	204
Total, unrealized losses	38	46
Asset-Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	9,197	11,017
More than 12 months, unrealized losses	190	317
Total, fair value	9,197	11,017
Total, unrealized losses	$ 190	$ 317

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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