Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Retained Earnings [Member]
BALANCE at Dec. 31, 2022	$ 725,845	$ 894	$ (301,624)	$ 684,183	$ (5,447)	$ 347,839
BALANCE, shares at Dec. 31, 2022		89,396,000
BALANCE, shares at Dec. 31, 2022			(22,221,000)
Net Income (Loss)	147,652					147,652
Foreign currency translation	45				45
Unrealized gain on investments	4,736				4,736
COMPREHENSIVE INCOME	152,433
Dividends to shareholders	(14,885)					(14,885)
Treasury stock purchased	(8,301)		$ (8,301)
Treasury stock purchased, shares			(540,000)
Treasury stock acquired upon sale of asset, shares			(1,800,000)
Treasury stock acquired upon sale of asset	(22,086)		$ (22,086)
Share-based compensation expense:
Restricted stock award plans	8,064			8,064
Employee stock purchase plan	14			14
Common stock issued under:
Stock option plans	$ 2,279	$ 3		2,276
Stock option plan, shares	309,819	310,000
Restricted stock award plans	$ (2,208)	$ 6	$ (2,209)	(5)
Restricted stock award plan, shares		545,000	(165,000)
Employee stock purchase plan	266			266
Employee stock purchase plan, shares		19,000
BALANCE at Dec. 31, 2023	841,421	$ 903	$ (334,220)	694,798	(666)	480,606
BALANCE, shares at Dec. 31, 2023		90,270,000
BALANCE, shares at Dec. 31, 2023			(24,726,000)
Net Income (Loss)	147,590					147,590
Foreign currency translation	(28)				(28)
Unrealized gain on investments	860				860
COMPREHENSIVE INCOME	148,422
Dividends to shareholders	(32,524)					(32,524)
Treasury stock purchased	(6,769)		$ (6,769)
Treasury stock purchased, shares			(385,000)
Share-based compensation expense:
Restricted stock award plans	10,174			10,174
Employee stock purchase plan	14			14
Common stock issued under:
Stock option plans	$ 1,973	$ 2		1,971
Stock option plan, shares	158,047	158,000
Restricted stock award plans	$ (3,436)	$ 5	$ (3,435)	(6)
Restricted stock award plan, shares		582,000	(193,000)
Employee stock purchase plan	261			261
Employee stock purchase plan, shares		14,000
BALANCE at Dec. 31, 2024	$ 959,536	$ 910	$ (344,424)	707,212	166	595,672
BALANCE, shares at Dec. 31, 2024	91,023,660	91,024,000
BALANCE, shares at Dec. 31, 2024	(25,304,436)		(25,304,000)
Net Income (Loss)	$ 159,914					159,914
Foreign currency translation	45				45
Unrealized gain on investments	859				859
COMPREHENSIVE INCOME	160,818
Dividends to shareholders	(37,221)					(37,221)
Treasury stock purchased	(120,793)		$ (120,793)
Treasury stock purchased, shares			(4,141,000)
Earnout payments for business acquisition	4,243		$ 4,243
Earnout payments for business acquisition, shares			158,000
Share-based compensation expense:
Restricted stock award plans	11,715			11,715
Employee stock purchase plan	15			15
Common stock issued under:
Stock option plans	$ 1,370	$ 2		1,368
Stock option plan, shares	171,139	171,000
Restricted stock award plans	$ (7,544)	$ 9	$ (7,544)	(9)
Restricted stock award plan, shares		868,000	(307,000)
Employee stock purchase plan	273			273
Employee stock purchase plan, shares		10,000
BALANCE at Dec. 31, 2025	$ 972,412	$ 921	$ (468,518)	$ 720,574	$ 1,070	$ 718,365
BALANCE, shares at Dec. 31, 2025	92,072,703	92,073,000
BALANCE, shares at Dec. 31, 2025	(29,594,330)		(29,594,000)