CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-In Capital	Cumulative Dividends Declared	Retained Deficit	Accumulated Other Comprehensive Earnings, net of tax	Total
Balance at Dec. 31, 2018	$ 21	$ 211	$ 1,235,108	$ (822,520)	$ (326,522)	$ 23,877	$ 110,175
Balance (in shares) at Dec. 31, 2018	2,070,678	21,117,006
Increase (Decrease) in Stockholders' Equity
Proceeds from exercise of stock options		$ 1	162				163
Proceeds from exercise of stock options (in shares)		64,351
Stock based compensation			107				107
Other comprehensive (loss) earnings						117	117
Net (loss) earnings					(12,612)		(12,612)
Balance at Mar. 31, 2019	$ 21	$ 212	1,235,377	(822,520)	(339,134)	23,994	97,950
Balance (in shares) at Mar. 31, 2019	2,070,678	21,181,357
Balance at Dec. 31, 2018	$ 21	$ 211	1,235,108	(822,520)	(326,522)	23,877	110,175
Balance (in shares) at Dec. 31, 2018	2,070,678	21,117,006
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings							(8,739)
Balance at Jun. 30, 2019	$ 21	$ 212	1,235,583	(822,520)	(335,261)	24,254	102,289
Balance (in shares) at Jun. 30, 2019	2,070,678	21,181,357
Balance at Mar. 31, 2019	$ 21	$ 212	1,235,377	(822,520)	(339,134)	23,994	97,950
Balance (in shares) at Mar. 31, 2019	2,070,678	21,181,357
Increase (Decrease) in Stockholders' Equity
Proceeds from exercise of stock options			206				206
Other comprehensive (loss) earnings						260	260
Net (loss) earnings					3,873		3,873
Balance at Jun. 30, 2019	$ 21	$ 212	1,235,583	(822,520)	(335,261)	24,254	102,289
Balance (in shares) at Jun. 30, 2019	2,070,678	21,181,357
Balance at Dec. 31, 2019	$ 21	$ 212	1,236,237	(822,520)	(334,499)	24,786	104,237
Balance (in shares) at Dec. 31, 2019	2,070,678	21,255,426
Increase (Decrease) in Stockholders' Equity
Proceeds from exercise of stock options		$ 1	46				47
Proceeds from exercise of stock options (in shares)		9,500
Stock based compensation			238				238
Other comprehensive (loss) earnings						(3,073)	(3,073)
Consolidation of corporate-owned life insurance trusts					(1,281)		(1,281)
Net (loss) earnings					(64,731)		(64,731)
Balance at Mar. 31, 2020	$ 21	$ 213	1,236,521	(822,520)	(400,511)	21,713	35,437
Balance (in shares) at Mar. 31, 2020	2,070,678	21,264,926
Balance at Dec. 31, 2019	$ 21	$ 212	1,236,237	(822,520)	(334,499)	24,786	104,237
Balance (in shares) at Dec. 31, 2019	2,070,678	21,255,426
Increase (Decrease) in Stockholders' Equity
Consolidation of corporate-owned life insurance trusts					(1,300)
Net (loss) earnings							(87,560)
Balance at Jun. 30, 2020	$ 21	$ 212	1,236,749	(822,520)	(423,340)	23,899	15,021
Balance (in shares) at Jun. 30, 2020	2,070,678	21,229,857
Balance at Mar. 31, 2020	$ 21	$ 213	1,236,521	(822,520)	(400,511)	21,713	35,437
Balance (in shares) at Mar. 31, 2020	2,070,678	21,264,926
Increase (Decrease) in Stockholders' Equity
Retirement of restricted stock		$ (1)	(125)				(126)
Retirement of restricted stock (in shares)		(35,069)
Stock based compensation			111				111
Issuance of warrants in connection with debt financing			242				242
Other comprehensive (loss) earnings						2,186	2,186
Net (loss) earnings					(22,829)		(22,829)
Balance at Jun. 30, 2020	$ 21	$ 212	$ 1,236,749	$ (822,520)	$ (423,340)	$ 23,899	$ 15,021
Balance (in shares) at Jun. 30, 2020	2,070,678	21,229,857