Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Share Repurchase Plan [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Common Stock [Member] Share Repurchase Plan [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Share Repurchase Plan [Member]	Retained Income [Member]	Retained Income [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income, Net of Tax [Member]	Total Stockholders' Equity [Member]	Total Stockholders' Equity [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Noncontrolling Interests [Member]
Beginning Balance at Dec. 31, 2019	$ 185,543		$ (453)					$ 183,365	$ (453)	$ 2,178
Beginning Balance, shares at Dec. 31, 2019				7,764,564
Exercise of common stock options, shares	10,000
Ending Balance at Mar. 31, 2020	$ 179,256							179,210		46
Ending Balance, shares at Mar. 31, 2020				7,735,204
Beginning Balance at Dec. 31, 2019	185,543		(453)					183,365	(453)	2,178
Beginning Balance, shares at Dec. 31, 2019				7,764,564
Net income (loss)	9,483							9,483
Net income attributable to redeemable noncontrolling interest (Note 18)	0
Total other comprehensive income (loss), net of income taxes	(782)									(782)
Exercise of common stock options, value	$ 63					$ 63
Exercise of common stock options, shares	10,000			10,000
Issuance of restricted stock	$ 0			$ 0		0		0		0
Issuance of restricted stock, shares				190,000
Forfeiture of restricted stock, value	0			$ 0		0		0		0
Forfeiture of restricted stock, shares				(12,358)
Repurchase and retirement of common stock, value	(1,326)	$ (5,141)				(1,326)	$ (5,141)
Repurchase and retirement of common stock, shares				(29,473)	(128,685)
Common stock dividends	(6,162)							(6,162)
Stock-based compensation	3,860					3,860
Additional paid-in capital shortfall adjustment allocated to retained income						2,544		(2,544)
Ending Balance at Jun. 30, 2020	185,085							183,689		1,396
Ending Balance, shares at Jun. 30, 2020				7,794,048
Beginning Balance at Mar. 31, 2020	179,256							179,210		46
Beginning Balance, shares at Mar. 31, 2020				7,735,204
Net income (loss)	8,936							8,936
Net income attributable to redeemable noncontrolling interest (Note 18)	0
Total other comprehensive income (loss), net of income taxes	1,350									1,350
Issuance of restricted stock	0			$ 0		0		0		0
Issuance of restricted stock, shares				145,000
Forfeiture of restricted stock, value	0			$ 0		0		0		0
Forfeiture of restricted stock, shares				(5,220)
Repurchase and retirement of common stock, value	(1,309)	$ (2,100)				(1,309)	$ (2,100)
Repurchase and retirement of common stock, shares				(29,102)	(51,834)
Common stock dividends	(3,067)							(3,067)
Stock-based compensation	2,019					2,019
Additional paid-in capital shortfall adjustment allocated to retained income						1,390		(1,390)
Ending Balance at Jun. 30, 2020	185,085							183,689		1,396
Ending Balance, shares at Jun. 30, 2020				7,794,048
Beginning Balance at Dec. 31, 2020	201,136		$ (3,018)					199,592	$ (3,018)	1,544	$ 201,136	$ (3,018)
Beginning Balance, shares at Dec. 31, 2020				7,785,617
Net income (loss)	10,675							11,038			11,038		$ (363)
Net income attributable to redeemable noncontrolling interest (Note 18)	(2,973)							(2,973)			(2,973)
Total other comprehensive income (loss), net of income taxes	(500)									(490)	(490)		(10)
Issuance of restricted stock	0			$ 0		0		0		0	0		0
Issuance of restricted stock, shares				551,086
Forfeiture of restricted stock, value	0			$ 0		0		0		0	0		0
Forfeiture of restricted stock, shares				(11,110)
Cancellation of restricted stock, shares				(142,760)
Repurchase and retirement of common stock, value	(1,308)					(1,308)					(1,308)
Repurchase and retirement of common stock, shares				(17,193)
Issuance of common stock	5,410					5,410					5,410
Issuance of common stock, shares				100,000
Dilution from subsidiary stock-based compensation	1,756												1,756
Issuance of warrants, net of issuance costs (Note 18)	8,640					8,640					8,640
Common stock dividends	(6,452)							(6,452)			(6,452)
Stock-based compensation	4,683					4,683					4,683
Additional paid-in capital shortfall adjustment allocated to retained income						(17,425)		17,425
Ending Balance at Jun. 30, 2021	218,049							215,612		1,054	216,666		1,383
Ending Balance, shares at Jun. 30, 2021				8,265,640
Beginning Balance at Mar. 31, 2021	217,608							216,086		1,405	217,491		117
Beginning Balance, shares at Mar. 31, 2021				8,289,682
Net income (loss)	3,830							4,096			4,096		(266)
Net income attributable to redeemable noncontrolling interest (Note 18)	(2,179)							(2,179)			(2,179)
Total other comprehensive income (loss), net of income taxes	(360)									(351)	(351)		(9)
Issuance of restricted stock	0			$ 0		0		0		0	0		0
Issuance of restricted stock, shares				3,000
Forfeiture of restricted stock, value	0			$ 0		0		0		0	0		0
Forfeiture of restricted stock, shares				(9,060)
Cancellation of restricted stock, shares				(1,160)
Repurchase and retirement of common stock, value	(1,288)					(1,288)					(1,288)
Repurchase and retirement of common stock, shares				(16,822)
Dilution from subsidiary stock-based compensation	1,541												1,541
Common stock dividends	(3,659)							(3,659)			(3,659)
Stock-based compensation	2,556					2,556					2,556
Additional paid-in capital shortfall adjustment allocated to retained income						$ (1,268)		1,268
Ending Balance at Jun. 30, 2021	$ 218,049							$ 215,612		$ 1,054	$ 216,666		$ 1,383
Ending Balance, shares at Jun. 30, 2021				8,265,640