Shareholders' Equity (Changes in Shares of Common Stock) (Details) - shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Shareholders Equity [Line Items]
Treasury stock, beginning balance	692,150
Shares issued, beginning balance	16,099,556	16,099,556
Treasury stock purchases	0
Treasury stock, ending balance	652,607
Shares issued, ending balance	16,099,556	16,099,556
Common Stock [Member]
Shareholders Equity [Line Items]
Shares outstanding, beginning balance	15,407,406	15,340,001
Restricted stock units released	60,989	58,188
Treasury stock purchases	(21,446)	(22,710)
Shares outstanding, ending balance	15,446,949	15,375,479
Treasury Stock [Member]
Shareholders Equity [Line Items]
Treasury stock, beginning balance	692,150	759,555
Restricted stock units released	(60,989)	(58,188)
Treasury stock purchases	21,446	22,710
Treasury stock, ending balance	652,607	724,077