UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Equity, beginning balance at Dec. 31, 2021	$ 1,175,886	$ 0	$ 18	$ (2,403)	$ 1,138,855	$ 39,867	$ (451)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	355				355
Stock-based incentive compensation	4,178				4,178
Net income	30,275					30,275
Other comprehensive income (loss)	11,070						11,070
Equity, ending balance at Mar. 31, 2022	1,221,764	0	18	(2,403)	1,143,388	70,142	10,619
Equity, beginning balance at Dec. 31, 2021	1,175,886	0	18	(2,403)	1,138,855	39,867	(451)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	103,027
Other comprehensive income (loss)	24,962
Equity, ending balance at Sep. 30, 2022	1,337,335	0	18	(2,403)	1,172,315	142,894	24,511
Equity, beginning balance at Mar. 31, 2022	1,221,764	0	18	(2,403)	1,143,388	70,142	10,619
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	168				168
Exercise of warrants	20,098				20,098
Stock-based incentive compensation	4,398				4,398
Net income	33,929					33,929
Other comprehensive income (loss)	4,637						4,637
Equity, ending balance at Jun. 30, 2022	1,284,994	0	18	(2,403)	1,168,052	104,071	15,256
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	(560)				(560)
Exercise of warrants	818				818
Stock-based incentive compensation	4,005				4,005
Net income	38,823					38,823
Other comprehensive income (loss)	9,255						9,255
Equity, ending balance at Sep. 30, 2022	1,337,335	0	18	(2,403)	1,172,315	142,894	24,511
Equity, beginning balance at Dec. 31, 2022	1,386,103	0	18	(2,403)	1,176,906	190,423	21,159
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	(1,902)				(1,902)
Stock-based incentive compensation	5,988				5,988
Purchase of company stock	(75,735)			(75,735)
Net income	39,208					39,208
Other comprehensive income (loss)	(3,443)						(3,443)
Equity, ending balance at Mar. 31, 2023	1,350,219	0	18	(78,138)	1,180,992	229,631	17,716
Equity, beginning balance at Dec. 31, 2022	1,386,103	0	18	(2,403)	1,176,906	190,423	21,159
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	209,913
Other comprehensive income (loss)	(99)
Equity, ending balance at Sep. 30, 2023	1,440,083	0	18	(179,205)	1,197,874	400,336	21,060
Equity, beginning balance at Mar. 31, 2023	1,350,219	0	18	(78,138)	1,180,992	229,631	17,716
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	(247)				(247)
Stock-based incentive compensation	7,685				7,685
Purchase of company stock, and related tax effects	32			32
Net income	114,403					114,403
Other comprehensive income (loss)	3,291						3,291
Equity, ending balance at Jun. 30, 2023	1,475,383	0	18	(78,106)	1,188,430	344,034	21,007
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, vesting of restricted stock, and related tax withholdings	209				209
Stock-based incentive compensation	9,235				9,235
Purchase of company stock, and related tax effects	(101,099)			(101,099)
Net income	56,302					56,302
Other comprehensive income (loss)	53						53
Equity, ending balance at Sep. 30, 2023	$ 1,440,083	$ 0	$ 18	$ (179,205)	$ 1,197,874	$ 400,336	$ 21,060