Earnings per Weighted Average Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings per Weighted Average Common Share
Net income from continuing operations	$ 6,192	$ 7,901	$ 7,838	$ 24,820	$ 37,667	$ 36,174	$ 21,931	$ 98,661
Allocation of income for participating shares	(27)			(107)			(96)	(434)
Net income from continuing operations attributed to common shareholders	$ 6,165			$ 24,713			$ 21,835	$ 98,227
Total weighted average common shares outstanding, including participating shares	14,663,455			15,047,779			14,673,795	14,892,515
Less: weighted average participating shares	(64,319)			(65,374)			(65,204)	(66,000)
Basic earnings per share denominator	14,599,136			14,982,405			14,608,591	14,826,515
Common equivalent shares- non-vested performance stock grants	112,601			97,624			104,961	96,355
Diluted earnings per share denominator	14,711,737			15,080,029			14,713,552	14,922,870
Basic earnings per share (in dollars per share)	$ 0.42			$ 1.65			$ 1.49	$ 6.63
Diluted earnings per share (in dollars per share)	0.42			1.64			1.48	6.58
Undistributed earnings attributable to common shareholders - basic and diluted:
Net income from continuing operations attributable to common shareholders -Basic	0.42			1.65			1.49	6.63
Dividends declared	(0.90)			(0.90)			(2.70)	(2.70)
Undistributed earnings	(0.48)			0.75			(1.21)	3.93
Undistributed earnings attributable to common shareholders - diluted
Net income from continuing operations attributable to common shareholders -Diluted	0.42			1.64			1.48	6.58
Dividends declared	(0.90)			(0.90)			(2.70)	(2.70)
Undistributed earnings	$ (0.48)			$ 0.74			$ (1.22)	$ 3.88
Antidilutive common shares	0			0			0	0