UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2022	$ 12	$ 4,430,922	$ (4,151,005)	$ 279,929
Beginning Balance, Shares at Dec. 31, 2022	12,843,157
Stock-based compensation		35		35
Issuance of common stock upon vesting of restricted stock
Issuance of common stock upon vesting of restricted stock, Shares	16,008
Repurchase of common stock in open market		(531)		(531)
Repurchases of common stock in open market, Shares	(28,766)
Net income			4,635	4,635
Effect of adoption of ASU 2016-13			(9,683)	(9,683)
Ending balance, value at Mar. 31, 2023	$ 12	4,430,426	(4,156,053)	274,385
Ending Balance, Shares at Mar. 31, 2023	12,830,399
Beginning balance, value at Dec. 31, 2022	$ 12	4,430,922	(4,151,005)	279,929
Beginning Balance, Shares at Dec. 31, 2022	12,843,157
Stock-based compensation				199
Net settlement for employee taxes on stock options
Ending balance, value at Jun. 30, 2023	$ 12	4,425,991	(4,152,119)	273,884
Ending Balance, Shares at Jun. 30, 2023	12,566,519
Beginning balance, value at Mar. 31, 2023	$ 12	4,430,426	(4,156,053)	274,385
Beginning Balance, Shares at Mar. 31, 2023	12,830,399
Stock-based compensation		164		164
Issuance of common stock upon vesting of restricted stock
Issuance of common stock upon vesting of restricted stock, Shares	8,612
Repurchase of common stock in open market		(4,599)		(4,599)
Repurchases of common stock in open market, Shares	(272,492)
Net income			3,934	3,934
Ending balance, value at Jun. 30, 2023	$ 12	4,425,991	(4,152,119)	273,884
Ending Balance, Shares at Jun. 30, 2023	12,566,519
Beginning balance, value at Dec. 31, 2023	$ 12	4,425,104	(4,144,801)	280,315
Beginning Balance, Shares at Dec. 31, 2023	12,497,770
Stock-based compensation		111		111
Forfeiture of unvested restricted stock, Shares	(6,446)
Issuance of common stock upon vesting of restricted stock
Issuance of common stock upon vesting of restricted stock, Shares	48,918
Repurchase of common stock in open market		(999)		(999)
Repurchases of common stock in open market, Shares	(58,298)
Net income			126	126
Ending balance, value at Mar. 31, 2024	$ 12	4,424,216	(4,144,675)	279,553
Ending Balance, Shares at Mar. 31, 2024	12,481,944
Beginning balance, value at Dec. 31, 2023	$ 12	4,425,104	(4,144,801)	280,315
Beginning Balance, Shares at Dec. 31, 2023	12,497,770
Stock-based compensation				360
Net settlement for employee taxes on stock options				(43)
Ending balance, value at Jun. 30, 2024	$ 12	4,423,472	(4,140,280)	283,204
Ending Balance, Shares at Jun. 30, 2024	12,447,195
Beginning balance, value at Mar. 31, 2024	$ 12	4,424,216	(4,144,675)	279,553
Beginning Balance, Shares at Mar. 31, 2024	12,481,944
Stock-based compensation		249		249
Forfeiture of unvested restricted stock, Shares	17,323
Repurchase of common stock in open market		(950)		(950)
Repurchases of common stock in open market, Shares	(54,667)
Net income			4,395	4,395
Net settlement for employee taxes on stock options		(43)		(43)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period	2,595
Ending balance, value at Jun. 30, 2024	$ 12	$ 4,423,472	$ (4,140,280)	$ 283,204
Ending Balance, Shares at Jun. 30, 2024	12,447,195