Earnings per Weighted Average Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings per Weighted Average Common Share
Net income from continuing operations	$ 7,838	$ 36,174
Allocation of income for participating shares	(35)	(163)
Net income from continuing operations attributed to common shareholders	$ 7,803	$ 36,011
Total weighted average common shares outstanding, including participating shares	14,693,931	14,856,760
Less: weighted average participating shares	(66,033)	(66,635)
Basic earnings per share denominator	14,627,898	14,790,125
Common equivalent shares- non-vested performance stock grants	99,809	96,369
Diluted earnings per share denominator	14,727,707	14,886,494
Basic earnings per share (in dollars per share)	$ 0.53	$ 2.44
Diluted earnings per share (in dollars per share)	0.53	2.42
Undistributed earnings attributable to common shareholders - basic and diluted:
Net income from continuing operations attributable to common shareholders -Basic	0.53	2.44
Dividends declared	(0.90)	(0.90)
Undistributed earnings	(0.37)	1.54
Undistributed earnings attributable to common shareholders - diluted
Net income from continuing operations attributable to common shareholders -Diluted	0.53	2.42
Dividends declared	(0.90)	(0.90)
Undistributed earnings	$ (0.37)	$ 1.52
Antidilutive common shares	0	769