CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Total
Balance at Dec. 31, 2023	$ 5	$ 24,287	$ 3,514,311	$ 3,538,603
Balance (in shares) at Dec. 31, 2023	50,179
Changes in stockholders' equity
Net income			206,934	206,934
Stock based compensation		29,929		29,929
Stock based compensation (in shares)	1,077
Issuance of common stock in settlement of directors' fees		199		199
Issuance of common stock in settlement of director fees (in shares)	2
Common stock dividends			(36,487)	(36,487)
Balance at Sep. 30, 2024	$ 5	54,415	3,684,758	3,739,178
Balance (in shares) at Sep. 30, 2024	51,258
Balance at Jun. 30, 2024	$ 5	30,053	3,631,060	3,661,118
Balance (in shares) at Jun. 30, 2024	51,017
Changes in stockholders' equity
Net income			69,368	69,368
Stock based compensation		24,305		24,305
Stock based compensation (in shares)	240
Issuance of common stock in settlement of directors' fees		57		57
Issuance of common stock in settlement of director fees (in shares)	1
Common stock dividends			(15,670)	(15,670)
Balance at Sep. 30, 2024	$ 5	54,415	3,684,758	3,739,178
Balance (in shares) at Sep. 30, 2024	51,258
Balance at Dec. 31, 2024	$ 5	56,072	3,773,574	3,829,651
Balance (in shares) at Dec. 31, 2024	51,377
Changes in stockholders' equity
Net income			394,246	394,246
Stock based compensation		35,174		35,174
Stock based compensation (in shares)	546
Issuance of common stock in settlement of directors' fees		173		173
Issuance of common stock in settlement of director fees (in shares)	2
Repurchase of common stock		(4,739)		$ (4,739)
Repurchase of common stock (in shares)	(50)			(50)
Common stock dividends			(46,619)	$ (46,619)
Repurchase of common stock (in shares)	(50)			(50)
Balance at Sep. 30, 2025	$ 5	86,680	4,121,201	$ 4,207,886
Balance (in shares) at Sep. 30, 2025	51,875
Balance at Jun. 30, 2025	$ 5	76,991	3,955,504	4,032,500
Balance (in shares) at Jun. 30, 2025	51,672
Changes in stockholders' equity
Net income			181,503	181,503
Stock based compensation		14,370		14,370
Stock based compensation (in shares)	252
Issuance of common stock in settlement of directors' fees		58		58
Issuance of common stock in settlement of director fees (in shares)	1
Repurchase of common stock		(4,739)		$ (4,739)
Repurchase of common stock (in shares)	(50)			(50)
Common stock dividends	$ 0	0	(15,806)	$ (15,806)
Repurchase of common stock (in shares)	(50)			(50)
Balance at Sep. 30, 2025	$ 5	$ 86,680	$ 4,121,201	$ 4,207,886
Balance (in shares) at Sep. 30, 2025	51,875