Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands		Total		Common Stock [Member]	Capital in Excess of Par [Member]	Treasury Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2020		$ 304,561		$ 278	$ 277,539	$ (24,919)	$ (23,502)	$ 2,012	$ 231,408	$ 73,153
Balance, shares at Dec. 31, 2020				27,828,871		(2,951,243)
Net income		9,071					8,431		8,431	640
Distributions to non-controlling interest		(1,511)								(1,511)
Stock-based compensation expense		498		$ 2	496				498
Issuance of restricted stock, net, shares				163,561
Forfeiture of restricted stock, net, shares				(7,602)
Exercise of stock options, shares				768
Other comprehensive (loss) income, net of tax		(605)						(605)	(605)
Ending balance at Mar. 31, 2021		312,014		$ 280	278,035	$ (24,919)	(15,071)	1,407	239,732	72,282
Ending balance, shares at Mar. 31, 2021				27,985,598		(2,951,243)
Balance at Dec. 31, 2020		304,561		$ 278	277,539	$ (24,919)	(23,502)	2,012	231,408	73,153
Balance, shares at Dec. 31, 2020				27,828,871		(2,951,243)
Net income		37,386
Other comprehensive (loss) income, net of tax		(719)
Ending balance at Sep. 30, 2021		338,612		$ 280	279,454	$ (24,919)	11,136	1,293	267,244	71,368
Ending balance, shares at Sep. 30, 2021				28,033,404		(2,951,243)
Balance at Dec. 31, 2020		$ 304,561		$ 278	277,539	$ (24,919)	(23,502)	2,012	231,408	73,153
Balance, shares at Dec. 31, 2020				27,828,871		(2,951,243)
Exercise of stock options, shares	[1]	44,070
Net change in unrealized gains (losses) on investments, net of tax		$ (1,000)
Ending balance at Dec. 31, 2021		$ 355,828		$ 281	280,038	$ (24,919)	30,606	1,034	287,040	68,788
Ending balance, shares at Dec. 31, 2021		25,173,386		28,124,629		(2,951,243)
Balance at Mar. 31, 2021		$ 312,014		$ 280	278,035	$ (24,919)	(15,071)	1,407	239,732	72,282
Balance, shares at Mar. 31, 2021				27,985,598		(2,951,243)
Net income		11,592					10,267		10,267	1,325
Distributions to non-controlling interest		(1,511)								(1,511)
Stock-based compensation expense		576			576				576
Issuance of restricted stock, net, shares				15,514
Forfeiture of restricted stock, net, shares				(10,332)
Exercise of stock options		116			116				116
Exercise of stock options, shares				22,227
Net change in unrealized gains (losses) on investments, net of tax		27						27	27
Ending balance at Jun. 30, 2021		322,814		$ 280	278,727	$ (24,919)	(4,804)	1,434	250,718	72,096
Ending balance, shares at Jun. 30, 2021				28,013,007		(2,951,243)
Net income		16,724					15,940		15,940	784
Distributions to non-controlling interest		(1,512)								(1,512)
Stock-based compensation expense		602			602				602
Forfeiture of restricted stock, net, shares				(678)
Exercise of stock options		125			125				125
Exercise of stock options, shares				21,075
Other comprehensive (loss) income, net of tax		(141)
Net change in unrealized gains (losses) on investments, net of tax		(141)						(141)	(141)
Ending balance at Sep. 30, 2021		338,612		$ 280	279,454	$ (24,919)	11,136	1,293	267,244	71,368
Ending balance, shares at Sep. 30, 2021				28,033,404		(2,951,243)
Balance at Dec. 31, 2021		$ 355,828		$ 281	280,038	$ (24,919)	30,606	1,034	287,040	68,788
Balance, shares at Dec. 31, 2021		25,173,386		28,124,629		(2,951,243)
Net income		$ 11,353					9,841		9,841	1,512
Distributions to non-controlling interest		(1,512)								(1,512)
Stock-based compensation expense		598		$ 4	594				598
Issuance of restricted stock, net, shares				383,925
Forfeiture of restricted stock, net, shares				(5,730)
Exercise of stock options		$ 152			152				152
Exercise of stock options, shares		23,192	[1]	23,192
Purchase of common stock (in Shares)						(67,660)
Purchase of common stock		$ (617)				$ (617)			(617)
Dividend paid on common stock		(2,044)					(2,044)		(2,044)
Other comprehensive (loss) income, net of tax		(1,717)						(1,717)	(1,717)
Ending balance at Mar. 31, 2022		362,041		$ 285	280,784	$ (25,536)	38,403	(683)	293,253	68,788
Ending balance, shares at Mar. 31, 2022				28,526,016		(3,018,903)
Balance at Dec. 31, 2021		$ 355,828		$ 281	280,038	$ (24,919)	30,606	1,034	287,040	68,788
Balance, shares at Dec. 31, 2021		25,173,386		28,124,629		(2,951,243)
Net income		$ 35,312
Other comprehensive (loss) income, net of tax		(4,596)
Net change in unrealized gains (losses) on investments, net of tax		4,600
Ending balance at Sep. 30, 2022		$ 359,889		$ 285	282,681	$ (43,741)	55,438	(3,562)	291,101	68,788
Ending balance, shares at Sep. 30, 2022		23,185,070		28,529,993		(5,344,923)
Balance at Mar. 31, 2022		$ 362,041		$ 285	280,784	$ (25,536)	38,403	(683)	293,253	68,788
Balance, shares at Mar. 31, 2022				28,526,016		(3,018,903)
Net income		14,811					13,300		13,300	1,511
Distributions to non-controlling interest		(1,511)								(1,511)
Stock-based compensation expense		$ 863			863				863
Issuance of restricted stock, net, shares				4,944
Forfeiture of restricted stock, net, shares				587
Exercise of stock options, shares	[1]	0
Purchase of common stock (in Shares)						(1,272,150)
Purchase of common stock		$ (9,974)				$ (9,974)			(9,974)
Dividend paid on common stock		(1,971)					(1,971)		(1,971)
Other comprehensive (loss) income, net of tax		(1,418)						(1,418)	(1,418)
Ending balance at Jun. 30, 2022		362,841		$ 285	281,647	$ (35,510)	49,732	(2,101)	294,053	68,788
Ending balance, shares at Jun. 30, 2022				28,530,373		(4,291,053)
Net income		9,148					7,636		7,636	1,512
Distributions to non-controlling interest		(1,512)								(1,512)
Stock-based compensation expense		$ 1,034			1,034				1,034
Forfeiture of restricted stock, net, shares				(380)
Exercise of stock options, shares	[1]	0
Purchase of common stock (in Shares)						(1,053,870)
Purchase of common stock		$ (8,231)				$ (8,231)			(8,231)
Dividend paid on common stock		(1,930)					(1,930)		(1,930)
Other comprehensive (loss) income, net of tax		(1,461)						(1,461)	(1,461)
Net change in unrealized gains (losses) on investments, net of tax		1,500
Ending balance at Sep. 30, 2022		$ 359,889		$ 285	$ 282,681	$ (43,741)	$ 55,438	$ (3,562)	$ 291,101	$ 68,788
Ending balance, shares at Sep. 30, 2022		23,185,070		28,529,993		(5,344,923)

[1] The aggregate intrinsic value, which represents the difference between the price of the Company’s common stock at the exercise date and the related exercise price of the underlying options, was $0 and less than $0.1 million for the three and nine months ended September 30, 2022 and was $0.2 million for the year ended December 31, 2021.