Investments (Summary of Amortized Cost and Fair Value of Held to Maturity Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
HTM debt securities	$ 544,931	$ 546,583
Unrealized Gains	3,134	763
Unrealized Losses	(37,470)	(41,153)
Debt Securities, Held-to-maturity, Fair Value	510,595	506,193
Obligations of U.S. government-sponsored enterprises
Schedule of Investments [Line Items]
HTM debt securities	7,593	7,457
Unrealized Gains	0	0
Unrealized Losses	(528)	(777)
Debt Securities, Held-to-maturity, Fair Value	7,065	6,680
Amortized cost, unamortized unrealized loss	992	1,100
Obligations of states and political subdivisions
Schedule of Investments [Line Items]
HTM debt securities	56,262	55,978
Unrealized Gains	1,242	431
Unrealized Losses	(731)	(1,610)
Debt Securities, Held-to-maturity, Fair Value	56,773	54,799
Amortized cost, unamortized unrealized loss	5,600	6,100
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises
Schedule of Investments [Line Items]
HTM debt securities	304,850	317,406
Unrealized Gains	0	0
Unrealized Losses	(21,623)	(24,766)
Debt Securities, Held-to-maturity, Fair Value	283,227	292,640
Amortized cost, unamortized unrealized loss	34,600	38,400
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Schedule of Investments [Line Items]
HTM debt securities	157,118	145,069
Unrealized Gains	515	0
Unrealized Losses	(13,497)	(13,724)
Debt Securities, Held-to-maturity, Fair Value	144,136	131,345
Amortized cost, unamortized unrealized loss	18,400	20,700
Subordinated corporate bonds
Schedule of Investments [Line Items]
HTM debt securities	19,108	20,673
Unrealized Gains	1,377	332
Unrealized Losses	(1,091)	(276)
Debt Securities, Held-to-maturity, Fair Value	19,394	20,729
Amortized cost, unamortized unrealized loss	$ 85	$ 117