Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Preferred Stock [Member]	Capital in Excess of Par [Member]	Treasury Stock [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2018	$ 290,204	$ 274		$ 274,292	$ (24,919)	$ 13,043	$ (82)	$ 262,608	$ 27,596
Balance, shares at Dec. 31, 2018		27,385,600			(2,951,243)
Net income (loss)	1,395					1,228		1,228	167
Distributions to non- controlling interest	(592)								(592)
Stock based compensation expense	165	$ 1		164				165
Issuance of restricted stock, net	0	$ 0	$ 0	0	$ 0	0	0	0	0
Issuance of restricted stock, net, shares		163,098
Forfeiture of restricted stock, net	0	$ 0	$ 0	0	0	0	0	0	0
Forfeiture of restricted stock, net, shares		(1,699)
Net change in unrealized gains (losses) on investments, net of tax	669						669	669
Ending balance at Mar. 31, 2019	291,841	$ 275		274,456	$ (24,919)	14,271	587	264,670	27,171
Ending balance, shares at Mar. 31, 2019		27,546,999			(2,951,243)
Balance at Dec. 31, 2018	290,204	$ 274		274,292	$ (24,919)	13,043	(82)	262,608	27,596
Balance, shares at Dec. 31, 2018		27,385,600			(2,951,243)
Net income (loss)	(5,248)
Ending balance at Jun. 30, 2019	285,504	$ 275		274,796	$ (24,919)	6,771	1,145	258,068	27,436
Ending balance, shares at Jun. 30, 2019		27,550,801			(2,951,243)
Balance at Dec. 31, 2018	290,204	$ 274		274,292	$ (24,919)	13,043	(82)	262,608	27,596
Balance, shares at Dec. 31, 2018		27,385,600			(2,951,243)
Net change in unrealized gains (losses) on investments, net of tax	1,081
Ending balance at Dec. 31, 2019	$ 334,468	$ 276		275,511	$ (24,919)	11,281	999	263,148	71,320
Ending balance, shares at Dec. 31, 2019	24,646,559	27,597,802			(2,951,243)
Balance at Mar. 31, 2019	$ 291,841	$ 275		274,456	$ (24,919)	14,271	587	264,670	27,171
Balance, shares at Mar. 31, 2019		27,546,999			(2,951,243)
Net income (loss)	(6,643)					(7,500)		(7,500)	857
Distributions to non- controlling interest	(592)								(592)
Stock based compensation expense	340			340				340
Issuance of restricted stock, net, shares		4,751
Forfeiture of restricted stock, net, shares		(949)
Net change in unrealized gains (losses) on investments, net of tax	558						558	558
Ending balance at Jun. 30, 2019	285,504	$ 275		274,796	$ (24,919)	6,771	1,145	258,068	27,436
Ending balance, shares at Jun. 30, 2019		27,550,801			(2,951,243)
Balance at Dec. 31, 2019	$ 334,468	$ 276		275,511	$ (24,919)	11,281	999	263,148	71,320
Balance, shares at Dec. 31, 2019	24,646,559	27,597,802			(2,951,243)
Net income (loss)	$ (13,001)					(13,643)		(13,643)	642
Distributions to non- controlling interest	(1,507)								(1,507)
Stock based compensation expense	466	$ 2		464				466
Issuance of restricted stock, net, shares		165,674
Forfeiture of restricted stock, net, shares		(5,577)
Net change in unrealized gains (losses) on investments, net of tax	147						147	147
Ending balance at Mar. 31, 2020	320,573	$ 278		275,975	$ (24,919)	(2,362)	1,146	250,118	70,455
Ending balance, shares at Mar. 31, 2020		27,757,899			(2,951,243)
Balance at Dec. 31, 2019	$ 334,468	$ 276		275,511	$ (24,919)	11,281	999	263,148	71,320
Balance, shares at Dec. 31, 2019	24,646,559	27,597,802			(2,951,243)
Net income (loss)	$ (15,266)
Net change in unrealized gains (losses) on investments, net of tax	1,128
Ending balance at Jun. 30, 2020	$ 318,297	$ 278		276,495	$ (24,919)	(6,339)	2,127	247,642	70,655
Ending balance, shares at Jun. 30, 2020	24,816,376	27,767,619			(2,951,243)
Balance at Mar. 31, 2020	$ 320,573	$ 278		275,975	$ (24,919)	(2,362)	1,146	250,118	70,455
Balance, shares at Mar. 31, 2020		27,757,899			(2,951,243)
Net income (loss)	(2,265)					(3,977)		(3,977)	1,712
Distributions to non- controlling interest	(1,512)								(1,512)
Stock based compensation expense	520			520				520
Issuance of restricted stock, net, shares		10,416
Forfeiture of restricted stock, net, shares		(696)
Net change in unrealized gains (losses) on investments, net of tax	981						981	981
Ending balance at Jun. 30, 2020	$ 318,297	$ 278		$ 276,495	$ (24,919)	$ (6,339)	$ 2,127	$ 247,642	$ 70,655
Ending balance, shares at Jun. 30, 2020	24,816,376	27,767,619			(2,951,243)