Stock Compensation (Schedule of Stock Grant Activity for PSUs) (Details) - Performance Stock Units (PSUs) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Unvested, Beginning Balance, Shares	372,000	331,000	347,000
Granted, Shares	182,000	215,000	70,000
Vested, Shares	(117,000)	(60,000)	(55,000)
Forfeited, Shares	(97,000)	(114,000)	(31,000)
Unvested, Ending Balance, Shares	340,000	372,000	331,000	347,000
Vested and expected to vest, Shares	340,000
Outstanding, Weighted Average Remaining Contractual Term in Years	8 months 1 day	10 months 24 days	1 year 7 months 20 days	2 years 3 months 29 days
Vested and expected to vest, Weighted Average Remaining Contractual Term in Years	8 months 1 day
Outstanding, Aggregate Intrinsic Value	$ 4,121,000	$ 7,579,000	$ 7,805,000	$ 9,400,000
Vested and expected to vest, Aggregate Intrinsic Value	$ 4,121,000