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]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Capital in Excess of Par [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Retained Earnings (Accumulated Deficit) [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Parent [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Noncontrolling Interest [Member]
Balance at Dec. 31, 2022		$ 370,524		$ 287	$ 283,663	$ (45,538)	$ 66,673	$ (3,349)	$ 301,736	$ 68,788	$ 360,589	$ 287	$ 283,663	$ (45,538)	$ 56,738	$ (3,349)	$ 291,801	$ 68,788
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022		(9,935)					(9,935)		(9,935)
Balance, shares at Dec. 31, 2022				28,663,827		(5,602,154)						28,663,827		(5,602,154)
Net income		16,873					15,361		15,361	1,512
Distributions to non-controlling interest		(1,512)								(1,512)
Stock-based compensation expense		1,036		$ 2	1,034				1,036
Issuance of restricted stock, net, shares				304,749
Withheld restricted stock for employees' tax obligations, shares				(91,169)
Withheld restricted stock for employees' tax obligations, value		(768)			(768)				(768)
Forfeiture of restricted stock, net, shares				(9,843)
Exercise of stock options, value		292			292				292
Exercise of stock options, shares				44,583
Dividends paid on common stock		(1,863)					(1,863)		(1,863)
Net change in unrealized gains on investments, net of tax		506						506	506
Ending balance at Mar. 31, 2023		375,153		$ 289	284,221	$ (45,538)	70,236	(2,843)	306,365	68,788
Ending balance, shares at Mar. 31, 2023				28,912,147		(5,602,154)
Balance at Dec. 31, 2022		370,524		$ 287	283,663	$ (45,538)	66,673	(3,349)	301,736	68,788	$ 360,589	$ 287	$ 283,663	$ (45,538)	$ 56,738	$ (3,349)	$ 291,801	$ 68,788
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022		$ (9,935)					(9,935)		(9,935)
Balance, shares at Dec. 31, 2022				28,663,827		(5,602,154)						28,663,827		(5,602,154)
Exercise of stock options, shares	[1]	68,945
Net change in unrealized gains on investments, net of tax		$ (300)
Ending balance at Dec. 31, 2023		$ 411,774		$ 291	288,046	$ (45,538)	103,883	(3,696)	342,986	68,788
Ending balance, shares at Dec. 31, 2023		23,449,646		29,051,800		(5,602,154)
Net income		$ 11,536					10,024		10,024	1,512
Distributions to non-controlling interest		(1,512)								(1,512)
Stock-based compensation expense		1,496		$ 1	1,495				1,496
Issuance of restricted stock, net, shares				296,178
Withheld restricted stock for employees' tax obligations, shares				(116,275)
Withheld restricted stock for employees' tax obligations, value		(944)			(944)				(944)
Forfeiture of restricted stock, net, shares				(1,208)
Exercise of stock options, value		$ 88			88				88
Exercise of stock options, shares		13,383	[1]	13,383
Purchase of common stock (in Shares)						(264,160)
Purchase of common stock		$ (2,126)				$ (2,126)			(2,126)
Dividends paid on common stock		(2,338)					(2,338)		(2,338)
Net change in unrealized gains on investments, net of tax		(150)						(150)	(150)
Ending balance at Mar. 31, 2024		$ 417,824		$ 292	$ 288,685	$ (47,664)	$ 111,569	$ (3,846)	$ 349,036	$ 68,788
Ending balance, shares at Mar. 31, 2024		23,377,564		29,243,878		(5,866,314)

[1] The aggregate intrinsic value of exercised options, 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 less than $0.1 million for the three months ended March 31, 2024 and was $0.1 million for the year ended December 31, 2023.