Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
ASSETS
Debt securities	$ 986,415	$ 969,308
Equity securities	1,176	1,083
Derivative financial assets	60,890	63,018
LIABILITIES
Derivative financial liabilities	70,860	78,293
U.S. Treasury securities
ASSETS
Debt securities	92,768	133,786
Obligations of U.S. government corporations and agencies
ASSETS
Debt securities	15,071	32,513
Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	596,284	460,939
Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	33,207	38,177
Commercial mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	224,798	273,425
Obligations of states and political subdivisions
ASSETS
Debt securities	24,287	30,468
Fair Value Measurements, Recurring
ASSETS
Debt securities	986,415	969,308
Equity securities	1,176	1,083
Total Securities Available for Sale	987,591	970,391
Securities held in a deferred compensation plan	10,876	9,399
Total Assets	1,059,357	1,042,808
LIABILITIES
Total Liabilities	70,860	78,293
Fair Value Measurements, Recurring | U.S. Treasury securities
ASSETS
Debt securities	92,768	133,786
Fair Value Measurements, Recurring | Obligations of U.S. government corporations and agencies
ASSETS
Debt securities	15,071	32,513
Fair Value Measurements, Recurring | Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	596,284	460,939
Fair Value Measurements, Recurring | Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	33,207	38,177
Fair Value Measurements, Recurring | Commercial mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	224,798	273,425
Fair Value Measurements, Recurring | Obligations of states and political subdivisions
ASSETS
Debt securities	24,287	30,468
Fair Value Measurements, Recurring | Interest rate swap contracts - commercial loans
ASSETS
Derivative financial assets	60,890	63,018
LIABILITIES
Derivative financial liabilities	61,271	63,554
Fair Value Measurements, Recurring | Interest rate swap contracts - cash flow hedge
LIABILITIES
Derivative financial liabilities	9,589	14,739
Fair Value Measurements, Recurring | Level 1
ASSETS
Debt securities	92,768	133,786
Equity securities	1,176	1,010
Total Securities Available for Sale	93,944	134,796
Securities held in a deferred compensation plan	10,876	9,399
Total Assets	104,820	144,195
LIABILITIES
Total Liabilities	0	0
Fair Value Measurements, Recurring | Level 1 | U.S. Treasury securities
ASSETS
Debt securities	92,768	133,786
Fair Value Measurements, Recurring | Level 1 | Obligations of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 1 | Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 1 | Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 1 | Commercial mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 1 | Obligations of states and political subdivisions
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 1 | Interest rate swap contracts - commercial loans
ASSETS
Derivative financial assets	0	0
LIABILITIES
Derivative financial liabilities	0	0
Fair Value Measurements, Recurring | Level 1 | Interest rate swap contracts - cash flow hedge
LIABILITIES
Derivative financial liabilities	0	0
Fair Value Measurements, Recurring | Level 2
ASSETS
Debt securities	893,647	835,522
Equity securities	0	73
Total Securities Available for Sale	893,647	835,595
Securities held in a deferred compensation plan	0	0
Total Assets	954,537	898,613
LIABILITIES
Total Liabilities	70,860	78,293
Fair Value Measurements, Recurring | Level 2 | U.S. Treasury securities
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 2 | Obligations of U.S. government corporations and agencies
ASSETS
Debt securities	15,071	32,513
Fair Value Measurements, Recurring | Level 2 | Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	596,284	460,939
Fair Value Measurements, Recurring | Level 2 | Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	33,207	38,177
Fair Value Measurements, Recurring | Level 2 | Commercial mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	224,798	273,425
Fair Value Measurements, Recurring | Level 2 | Obligations of states and political subdivisions
ASSETS
Debt securities	24,287	30,468
Fair Value Measurements, Recurring | Level 2 | Interest rate swap contracts - commercial loans
ASSETS
Derivative financial assets	60,890	63,018
LIABILITIES
Derivative financial liabilities	61,271	63,554
Fair Value Measurements, Recurring | Level 2 | Interest rate swap contracts - cash flow hedge
LIABILITIES
Derivative financial liabilities	9,589	14,739
Fair Value Measurements, Recurring | Level 3
ASSETS
Debt securities	0	0
Equity securities	0	0
Total Securities Available for Sale	0	0
Securities held in a deferred compensation plan	0	0
Total Assets	0	0
LIABILITIES
Total Liabilities	0	0
Fair Value Measurements, Recurring | Level 3 | U.S. Treasury securities
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Obligations of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Commercial mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Obligations of states and political subdivisions
ASSETS
Debt securities	0	0
Fair Value Measurements, Recurring | Level 3 | Interest rate swap contracts - commercial loans
ASSETS
Derivative financial assets	0	0
LIABILITIES
Derivative financial liabilities	0	0
Fair Value Measurements, Recurring | Level 3 | Interest rate swap contracts - cash flow hedge
LIABILITIES
Derivative financial liabilities	$ 0	$ 0