Consolidated Statements of Changes in Stockholders' Equity (Deficit) (unaudited) - USD ($) $ in Thousands	Common Stock [Member] Voting [Member]	Additional Paid-In Capital [Member]	Cost of Repurchased Common Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Earnings (Deficit) [Member]	Total
Beginning balance at Dec. 31, 2018	$ 196	$ 110,466	$ 0	$ (2,536)	$ (25,503)	$ 82,623
Beginning balance (in shares) at Dec. 31, 2018						19,553,857
Unrecognized pension and postretirement cost adjustment, net of tax	0	0	0	(11)	0	$ (11)
Unrealized gain on MSA investments, net of tax	0	0	0	1,174	0	1,174
Unrealized gain (loss) on derivative instruments, net of tax	0	0	0	(1,616)	0	(1,616)
Stock compensation expense	0	2,452	0	0	0	2,452
Restricted stock forfeitures	$ 0	(84)	0	0	0	(84)
Restricted stock forfeitures (in shares)	(1,947)
Exercise of options	$ 1	638	0	0	0	639
Exercise of options (in shares)	110,078
Redemption of options	$ 0	(12)	0	0	0	(12)
Dividends	0	0	0	0	(2,681)	(2,681)
Purchase of call options, net of tax	0	(15,437)	0	0	0	(15,437)
Issuance of Convertible Senior Notes, net of tax	0	2,253	0	0	0	2,253
Net income	0	0	0	0	26,039	26,039
Ending balance at Sep. 30, 2019	197	100,276	0	(2,989)	(2,145)	$ 95,339
Ending balance (in shares) at Sep. 30, 2019						19,661,988
Beginning balance at Dec. 31, 2018	196	110,466	0	(2,536)	(25,503)	$ 82,623
Beginning balance (in shares) at Dec. 31, 2018						19,553,857
Ending balance at Dec. 31, 2019	197	125,469	0	(3,773)	(15,308)	$ 106,585
Ending balance (in shares) at Dec. 31, 2019						19,680,673
Beginning balance at Jun. 30, 2019	197	112,366	0	(3,040)	(7,522)	$ 102,001
Beginning balance (in shares) at Jun. 30, 2019						19,657,946
Unrecognized pension and postretirement cost adjustment, net of tax	0	0	0	(4)	0	$ (4)
Unrealized gain on MSA investments, net of tax	0	0	0	263	0	263
Unrealized gain (loss) on derivative instruments, net of tax	0	0	0	(208)	0	(208)
Stock compensation expense	0	1,065	0	0	0	1,065
Restricted stock forfeitures	$ 0	0	0	0	0	0
Restricted stock forfeitures (in shares)	0
Exercise of options	$ 0	29	0	0	0	29
Exercise of options (in shares)	4,042
Dividends	$ 0	0	0	0	(897)	(897)
Purchase of call options, net of tax	0	(15,437)	0	0	0	(15,437)
Issuance of Convertible Senior Notes, net of tax	0	2,253	0	0	0	2,253
Net income	0	0	0	0	6,274	6,274
Ending balance at Sep. 30, 2019	197	100,276	0	(2,989)	(2,145)	$ 95,339
Ending balance (in shares) at Sep. 30, 2019						19,661,988
Beginning balance at Dec. 31, 2019	197	125,469	0	(3,773)	(15,308)	$ 106,585
Beginning balance (in shares) at Dec. 31, 2019						19,680,673
Unrecognized pension and postretirement cost adjustment, net of tax	0	0	0	1,830	0	$ 1,830
Unrealized gain (loss) on derivative instruments, net of tax	0	0	0	(1,302)	0	(1,302)
Stock compensation expense	0	1,986	0	0	0	1,986
Exercise of options	$ 0	303	0	0	0	303
Exercise of options (in shares)	47,402
Cost of repurchased common stock	$ 0	0	$ (7,665)	0	0	$ (7,665)
Cost of repurchased common stock (in shares)			(338,960)			(338,960)
Standard Diversified Inc. reorganization, net	(2)	0	$ 0	0	(1,735)	$ (1,737)
Standard Diversified Inc. reorganization, net (in shares)			(244,214)
Dividends	0	0	$ 0	0	(2,964)	(2,964)
Net income	0	0	0	0	20,298	20,298
Ending balance at Sep. 30, 2020	195	127,758	(7,665)	(3,245)	291	$ 117,334
Ending balance (in shares) at Sep. 30, 2020						19,144,901
Beginning balance at Jun. 30, 2020	197	126,928	(5,289)	(5,299)	(4,795)	$ 111,742
Beginning balance (in shares) at Jun. 30, 2020						19,467,164
Unrecognized pension and postretirement cost adjustment, net of tax	0	0	0	1,816	0	$ 1,816
Unrealized gain (loss) on derivative instruments, net of tax	0	0	0	238	0	238
Stock compensation expense	0	772	0	0	0	772
Exercise of options	$ 0	58	0	0	0	58
Exercise of options (in shares)	4,048
Cost of repurchased common stock	$ 0	0	$ (2,376)	0	0	$ (2,376)
Cost of repurchased common stock (in shares)			(82,097)			(82,097)
Standard Diversified Inc. reorganization, net	(2)	0	$ 0	0	(1,735)	$ (1,737)
Standard Diversified Inc. reorganization, net (in shares)			(244,214)
Dividends	0	0	$ 0	0	(975)	(975)
Net income	0	0	0	0	7,796	7,796
Ending balance at Sep. 30, 2020	$ 195	$ 127,758	$ (7,665)	$ (3,245)	$ 291	$ 117,334
Ending balance (in shares) at Sep. 30, 2020						19,144,901