Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income (Losses) [Member]
Beginning Balance at Dec. 31, 2020	$ 442,344	$ 3	$ 331,867	$ 219,782	$ (115,365)	$ 6,057
Beginning Balance, Shares at Dec. 31, 2020		27,748,606
Net unrealized change in investments, net of tax	(8,202)					(8,202)
Adjustments to Shares tendered for income taxes withholding	(127)		(127)
Adjustments to shares tendered for income taxes withholding, Shares		(12,500)
Restricted stock vested, Shares		25,000
Issued restricted stock, Shares		143,817
Stock-based compensation on restricted stock	260		260
Cash dividends declared	(1,679)			(1,679)
Net (loss) income	(5,148)			(5,148)
Ending balance at Mar. 31, 2021	427,448	$ 3	332,000	212,955	(115,365)	(2,145)
Ending balance, Shares at Mar. 31, 2021		27,904,923
Beginning Balance at Dec. 31, 2020	442,344	$ 3	331,867	219,782	(115,365)	6,057
Beginning Balance, Shares at Dec. 31, 2020		27,748,606
Net (loss) income	(9,097)
Ending balance at Jun. 30, 2021	424,873	$ 3	332,287	207,325	(115,365)	623
Ending balance, Shares at Jun. 30, 2021		27,946,941
Beginning Balance at Mar. 31, 2021	427,448	$ 3	332,000	212,955	(115,365)	(2,145)
Beginning Balance, Shares at Mar. 31, 2021		27,904,923
Net unrealized change in investments, net of tax	2,768					2,768
Issued restricted stock, Shares		42,018
Stock-based compensation on restricted stock	287		287
Cash dividends declared	(1,680)			(1,680)
Net (loss) income	(3,950)			(3,950)
Ending balance at Jun. 30, 2021	424,873	$ 3	332,287	207,325	(115,365)	623
Ending balance, Shares at Jun. 30, 2021		27,946,941
Beginning Balance at Dec. 31, 2021	343,051	$ 3	332,797	138,381	(123,557)	(4,573)
Beginning Balance, Shares at Dec. 31, 2021		26,753,511
Net unrealized change in investments, net of tax	(24,321)					(24,321)
Adjustments to Shares tendered for income taxes withholding	(89)		(89)
Adjustments to shares tendered for income taxes withholding, Shares		(9,849)
Restricted stock vested, Shares		25,000
Issued restricted stock, Shares		397,176
Stock-based compensation on restricted stock	505		505
Stock buy-back	(5,000)				(5,000)
Stock buy-back, Shares		(721,118)
Cash dividends declared	(1,621)			(1,621)
Net (loss) income	(30,759)			(30,759)
Ending balance at Mar. 31, 2022	281,766	$ 3	333,213	106,001	(128,557)	(28,894)
Ending balance, Shares at Mar. 31, 2022		26,444,720
Beginning Balance at Dec. 31, 2021	343,051	$ 3	332,797	138,381	(123,557)	(4,573)
Beginning Balance, Shares at Dec. 31, 2021		26,753,511
Stock buy-back	$ (5,000)
Stock buy-back, Shares	(721,118)
Net (loss) income	$ (118,625)
Ending balance at Jun. 30, 2022	180,546	$ 3	333,747	16,547	(128,557)	(41,194)
Ending balance, Shares at Jun. 30, 2022		26,544,096
Beginning Balance at Mar. 31, 2022	281,766	$ 3	333,213	106,001	(128,557)	(28,894)
Beginning Balance, Shares at Mar. 31, 2022		26,444,720
Net unrealized change in investments, net of tax	(12,300)					(12,300)
Adjustments to Shares tendered for income taxes withholding	(31)		(31)
Issued restricted stock, Shares		99,376
Stock-based compensation on restricted stock	503		503
Cash dividends declared	(1,588)			(1,588)
Net (loss) income	(87,866)			(87,866)
Ending balance at Jun. 30, 2022	$ 180,546	$ 3	$ 333,747	$ 16,547	$ (128,557)	$ (41,194)
Ending balance, Shares at Jun. 30, 2022		26,544,096