Stock-Based Compensation (Summary of Restricted Stock Transactions) (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares, Non-vested and Outstanding, Beginning	63,755	128,224	109,176
Shares, Granted	77,913	0	72,985
Shares, Vested	(41,059)	(62,137)	(51,021)
Shares, Forfeited		(2,332)	(2,916)
Shares, Non-vested and Outstanding, Ending	100,609	63,755	128,224
Weighted Average Grant Date Fair Value, Outstanding Beginning	$ 32.90	$ 34.66	$ 40.87
Weighted Average Grant Date Fair Value, Granted	23.00		31.18
Weighted Average Grant Date Fair Value, Vested	33.85	36.50	42.66
Weighted Average Grant Date Fair Value, Forfeited		33.65	40.30
Weighted Average Grant Date Fair Value, Outstanding Ending	$ 24.85	$ 32.90	$ 34.66
Weighted average remaining contractual life (in years)	2 years 3 months 18 days