Employee Benefits (Schedule of Fair Value of Qualified Pension Plan Assets) (Details) - Qualified Pension Plan [Member] - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 77,401	$ 82,837	$ 81,553
Asset allocations by category		100.00%	100.00%
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 34,037	$ 21,257
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		43,364	61,580
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 29,950	$ 16,820
Asset allocations by category		38.70%	20.30%
Cash and cash equivalents | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 29,950	$ 16,820
Cash and cash equivalents | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Cash and cash equivalents | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Obligations of U.S government-sponsored enterprises
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		42,052	58,147
Obligations of U.S government-sponsored enterprises | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Obligations of U.S government-sponsored enterprises | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		42,052	58,147
Obligations of U.S government-sponsored enterprises | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Obligations of states and political subdivisions
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		816	1,459
Obligations of states and political subdivisions | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Obligations of states and political subdivisions | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		816	1,459
Obligations of states and political subdivisions | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		496	1,974
Corporate bonds | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Corporate bonds | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		496	1,974
Corporate bonds | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 4,087	$ 4,437
Asset allocations by category		5.30%	5.40%
Mutual funds | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 4,087	$ 4,437
Mutual funds | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0	0
Mutual funds | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 0	$ 0
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Asset allocations by category	[1]	56.00%	74.30%

[1] Includes obligations of U.S. government agencies and U.S. government-sponsored enterprises, obligations of states and political subdivisions and corporate bonds.