Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
ASSETS
Debt securities	$ 1,008,140	$ 986,277
Equity securities	1,378	1,382
Derivative financial assets	32,977	33,750
LIABILITIES
Derivative financial liabilities	35,068	36,014
Recurring
ASSETS
Debt securities	1,008,140	986,277
Equity securities	1,378	1,382
Total Securities Available for Sale	1,009,518	987,659
Securities held in a deferred compensation plan	9,453	14,212
Total Assets	1,051,948	1,035,621
LIABILITIES
Total Liabilities	35,068	36,014
Interest rate swap contracts - commercial loans | Recurring
ASSETS
Derivative financial assets	32,943	33,669
LIABILITIES
Derivative financial liabilities	33,200	33,990
Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets	34
Interest rate swap contracts - cash flow hedge | Recurring
LIABILITIES
Derivative financial liabilities	1,868	2,024
U.S. Treasury securities
ASSETS
Debt securities	84,161	84,507
U.S. Treasury securities | Recurring
ASSETS
Debt securities	84,161	84,507
Collateralized mortgage obligations of U.S. government corporations and agencies
ASSETS
Debt securities	626,502	624,263
Collateralized mortgage obligations of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	626,502	624,263
Residential mortgage-backed securities of U.S. government corporations and agencies
ASSETS
Debt securities	33,094	31,336
Residential mortgage-backed securities of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	33,094	31,336
Commercial mortgage-backed securities of U.S. government corporations
ASSETS
Debt securities	259,505	241,262
Commercial mortgage-backed securities of U.S. government corporations | Recurring
ASSETS
Debt securities	259,505	241,262
Obligations of states and political subdivisions
ASSETS
Debt securities	4,878	4,909
Obligations of states and political subdivisions | Recurring
ASSETS
Debt securities	4,878	4,909
Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets		81
Level 1 | Recurring
ASSETS
Debt securities	84,161	84,507
Equity securities	1,378	1,382
Total Securities Available for Sale	85,539	85,889
Securities held in a deferred compensation plan	9,453	14,212
Total Assets	94,992	100,101
LIABILITIES
Total Liabilities	0	0
Level 1 | Interest rate swap contracts - commercial loans | Recurring
ASSETS
Derivative financial assets	0	0
LIABILITIES
Derivative financial liabilities	0	0
Level 1 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets	0
Level 1 | Interest rate swap contracts - cash flow hedge | Recurring
LIABILITIES
Derivative financial liabilities	0	0
Level 1 | U.S. Treasury securities | Recurring
ASSETS
Debt securities	84,161	84,507
Level 1 | Collateralized mortgage obligations of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	0	0
Level 1 | Residential mortgage-backed securities of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	0	0
Level 1 | Commercial mortgage-backed securities of U.S. government corporations | Recurring
ASSETS
Debt securities	0	0
Level 1 | Obligations of states and political subdivisions | Recurring
ASSETS
Debt securities	0	0
Level 1 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets		0
Level 2 | Recurring
ASSETS
Debt securities	923,979	901,770
Equity securities	0	0
Total Securities Available for Sale	923,979	901,770
Securities held in a deferred compensation plan	0	0
Total Assets	956,922	935,439
LIABILITIES
Total Liabilities	35,068	36,014
Level 2 | Interest rate swap contracts - commercial loans | Recurring
ASSETS
Derivative financial assets	32,943	33,669
LIABILITIES
Derivative financial liabilities	33,200	33,990
Level 2 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets	0
Level 2 | Interest rate swap contracts - cash flow hedge | Recurring
LIABILITIES
Derivative financial liabilities	1,868	2,024
Level 2 | U.S. Treasury securities | Recurring
ASSETS
Debt securities	0	0
Level 2 | Collateralized mortgage obligations of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	626,502	624,263
Level 2 | Residential mortgage-backed securities of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	33,094	31,336
Level 2 | Commercial mortgage-backed securities of U.S. government corporations | Recurring
ASSETS
Debt securities	259,505	241,262
Level 2 | Obligations of states and political subdivisions | Recurring
ASSETS
Debt securities	4,878	4,909
Level 2 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets		0
Level 3 | Recurring
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	34	81
LIABILITIES
Total Liabilities	0	0
Level 3 | Interest rate swap contracts - commercial loans | Recurring
ASSETS
Derivative financial assets	0	0
LIABILITIES
Derivative financial liabilities	0	0
Level 3 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets	34
Level 3 | Interest rate swap contracts - cash flow hedge | Recurring
LIABILITIES
Derivative financial liabilities	0	0
Level 3 | U.S. Treasury securities | Recurring
ASSETS
Debt securities	0	0
Level 3 | Collateralized mortgage obligations of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	0	0
Level 3 | Residential mortgage-backed securities of U.S. government corporations and agencies | Recurring
ASSETS
Debt securities	0	0
Level 3 | Commercial mortgage-backed securities of U.S. government corporations | Recurring
ASSETS
Debt securities	0	0
Level 3 | Obligations of states and political subdivisions | Recurring
ASSETS
Debt securities	$ 0	0
Level 3 | Interest rate lock commitments - mortgage loans | Recurring
ASSETS
Derivative financial assets		$ 81