CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock
Balance (in shares) at Dec. 31, 2021		11,594
Balance at Dec. 31, 2021	$ 202,474	$ 12	$ 12,018	$ 111	$ 190,333	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	143,568				143,568
Share-based compensation (in shares)		20
Share-based compensation	$ 11,053		11,053		0
Net shares repurchased for taxes (in shares)	(9)	(9)
Net shares repurchased for taxes	$ (1,516)		(1,516)
Treasury stock from stock repurchases	(126,445)					(126,445)
Treasury stock retired from stock repurchases (in shares)		(677)
Treasury stock retired from stock repurchases	(1)	$ (1)			(120,047)	120,047
Other comprehensive income (loss)	(87)			(87)
Cash dividends declared to stockholders	(74,002)				(74,002)
Balance (in shares) at Dec. 31, 2022		10,928
Balance at Dec. 31, 2022	155,044	$ 11	21,555	24	139,852	(6,398)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	99,415				99,415
Share-based compensation (in shares)		76
Share-based compensation	$ 8,188		8,188
Options exercised by executives and directors (in shares)	7	7
Options exercised by executives and directors	$ 188		188
Net shares repurchased for taxes (in shares)	(9)	(31)
Net shares repurchased for taxes	$ (3,358)		(3,358)
Treasury stock from stock repurchases	(3,602)					(3,602)
Treasury stock retired from stock repurchases (in shares)		(84)
Treasury stock retired from stock repurchases	0				(10,000)	10,000
Other comprehensive income (loss)	224			224
Cash dividends declared to stockholders	$ (54,618)				(54,618)
Balance (in shares) at Dec. 31, 2023	10,896	10,896
Balance at Dec. 31, 2023	$ 201,481	$ 11	26,573	248	174,649	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,091				2,091
Share-based compensation (in shares)		60
Share-based compensation	$ 7,363		7,363
Options exercised by executives and directors (in shares)	1	1
Options exercised by executives and directors	$ 36		36
Net shares repurchased for taxes (in shares)	(11)	(19)
Net shares repurchased for taxes	$ (836)		(836)
Other comprehensive income (loss)	(68)			(68)
Forfeiture of dividends on unvested awards	$ 42				42
Balance (in shares) at Dec. 31, 2024	10,938	10,938
Balance at Dec. 31, 2024	$ 210,109	$ 11	$ 33,136	$ 180	$ 176,782	$ 0