Securities - Securities with Unrealized Losses Aggregated by Investment Category and Time with Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	$ 101,728	$ 73,335
Less than 12 months, unrealized losses	1,987	1,121
More than 12 months, fair value	429,646	443,972
More than 12 months, unrealized losses	53,551	51,658
Total, fair value	531,374	517,307
Total, unrealized losses	55,538	52,779
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	83,968	84,204
More than 12 months, unrealized losses	5,313	5,195
Total, fair value	83,968	84,204
Total, unrealized losses	5,313	5,195
State and Municipal [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	5,254	4,716
Less than 12 months, unrealized losses	396	467
More than 12 months, fair value	215,020	222,858
More than 12 months, unrealized losses	33,820	32,187
Total, fair value	220,274	227,574
Total, unrealized losses	34,216	32,654
Mortgage-backed [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	93,676	66,709
Less than 12 months, unrealized losses	1,569	644
More than 12 months, fair value	122,078	128,063
More than 12 months, unrealized losses	14,274	14,123
Total, fair value	215,754	194,772
Total, unrealized losses	15,843	14,767
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	221	222
More than 12 months, unrealized losses	29	28
Total, fair value	221	222
Total, unrealized losses	29	28
Asset-backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	2,798	1,910
Less than 12 months, unrealized losses	22	10
More than 12 months, fair value	8,359	8,625
More than 12 months, unrealized losses	115	125
Total, fair value	11,157	10,535
Total, unrealized losses	$ 137	$ 135

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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Amount of accumulated unrealized loss on 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 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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