Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2022	47,107,000
Balance at Dec. 31, 2022	$ 975,276	$ 716,403	$ (23,077)	$ 1,668,602
Net income	0	427,374	0	427,374
Other comprehensive income, net of tax	0	0	(3,985)	(3,985)
Dividends and dividend equivalents declared	$ 0	(196,713)	0	(196,713)
Common stock issued (in shares)	928,000
Common stock issued	$ 8,686	0	0	$ 8,686
Repurchases of common stock (in shares)	(7,000)			(7,000)
Repurchases of common stock	$ (3,741)	0	0	$ (3,741)
Stock-based compensation expense	$ 149,716	0	0	149,716
Balance (in shares) at Dec. 31, 2023	48,028,000
Balance at Dec. 31, 2023	$ 1,129,937	947,064	(27,062)	2,049,939
Net income	0	1,592,058	0	1,592,058
Other comprehensive income, net of tax	0	0	(21,449)	(21,449)
Dividends and dividend equivalents declared	$ 0	(246,303)	0	(246,303)
Common stock issued (in shares)	796,000
Common stock issued	$ 8,727	0	0	$ 8,727
Repurchases of common stock (in shares)	(1,001,000)			(1,000,000)
Repurchases of common stock	$ (637,478)	0	0	$ (637,478)
Stock-based compensation expense	$ 205,631	0	0	205,631
Balance (in shares) at Dec. 31, 2024	47,823,000
Balance at Dec. 31, 2024	$ 706,817	2,292,819	(48,511)	2,951,125
Net income	0	135,052	0	135,052
Other comprehensive income, net of tax	0	0	5,187	5,187
Dividends and dividend equivalents declared	$ 0	(75,877)	0	(75,877)
Common stock issued (in shares)	54,000
Common stock issued	$ 5,335	0	0	5,335
Stock-based compensation expense	$ 52,807	0	0	52,807
Balance (in shares) at Mar. 31, 2025	47,877,000
Balance at Mar. 31, 2025	$ 764,959	2,351,994	(43,324)	3,073,629
Balance (in shares) at Dec. 31, 2024	47,823,000
Balance at Dec. 31, 2024	$ 706,817	2,292,819	(48,511)	2,951,125
Net income				270,061
Other comprehensive income, net of tax				24,820
Balance (in shares) at Jun. 30, 2025	47,892,000
Balance at Jun. 30, 2025	$ 822,582	2,411,079	(23,691)	3,209,970
Balance (in shares) at Dec. 31, 2024	47,823,000
Balance at Dec. 31, 2024	$ 706,817	2,292,819	(48,511)	2,951,125
Net income				449,827
Other comprehensive income, net of tax				25,808
Balance (in shares) at Sep. 30, 2025	47,905,000
Balance at Sep. 30, 2025	$ 885,123	2,514,921	(22,703)	3,377,341
Balance (in shares) at Dec. 31, 2024	47,823,000
Balance at Dec. 31, 2024	$ 706,817	2,292,819	(48,511)	2,951,125
Net income	0	621,483	0	621,483
Other comprehensive income, net of tax	0	0	33,359	33,359
Dividends and dividend equivalents declared	$ 0	(304,651)	0	(304,651)
Common stock issued (in shares)	894,000
Common stock issued	$ 9,220	0	0	$ 9,220
Repurchases of common stock (in shares)	(8,000)			(8,000)
Repurchases of common stock	$ (6,483)	0	0	$ (6,483)
Stock-based compensation expense	$ 227,444	0	0	227,444
Balance (in shares) at Dec. 31, 2025	48,709,000
Balance at Dec. 31, 2025	$ 936,998	2,609,651	(15,152)	3,531,497
Balance (in shares) at Mar. 31, 2025	47,877,000
Balance at Mar. 31, 2025	$ 764,959	2,351,994	(43,324)	3,073,629
Net income	0	135,009	0	135,009
Other comprehensive income, net of tax	0	0	19,633	19,633
Dividends and dividend equivalents declared	$ 0	(75,924)	0	(75,924)
Common stock issued (in shares)	19,000
Common stock issued	$ 0	0	0	0
Repurchases of common stock (in shares)	(4,000)
Repurchases of common stock	$ (2,484)	0	0	(2,484)
Stock-based compensation expense	$ 60,107	0	0	60,107
Balance (in shares) at Jun. 30, 2025	47,892,000
Balance at Jun. 30, 2025	$ 822,582	2,411,079	(23,691)	3,209,970
Net income	0	179,766	0	179,766
Other comprehensive income, net of tax	0	0	988	988
Dividends and dividend equivalents declared	$ 0	(75,924)	0	(75,924)
Common stock issued (in shares)	15,000
Common stock issued	$ 3,885	0	0	3,885
Repurchases of common stock (in shares)	(2,000)
Repurchases of common stock	$ (2,017)	0	0	(2,017)
Stock-based compensation expense	$ 60,673	0	0	60,673
Balance (in shares) at Sep. 30, 2025	47,905,000
Balance at Sep. 30, 2025	$ 885,123	$ 2,514,921	$ (22,703)	$ 3,377,341