Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 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	209,306	0	209,306
Other comprehensive loss	0	0	(20,320)	(20,320)
Dividends and dividend equivalents declared	$ 0	(98,353)	0	(98,353)
Common stock issued under the employee equity incentive plan (in shares)	495,000
Common stock issued under the employee equity incentive plan	$ 1,114	0	0	1,114
Stock-based compensation expense	75,003	0	0	75,003
Other comprehensive loss	$ 0	0	(20,320)	(20,320)
Common stock issued under the employee stock purchase plan (in shares)	9,000
Common stock issued under the employee stock purchase plan	$ 3,737	0	0	3,737
Balance (in shares) at Jun. 30, 2023	47,611,000
Balance at Jun. 30, 2023	$ 1,055,130	827,356	(43,397)	1,839,089
Balance (in shares) at Mar. 31, 2023	47,411,000
Balance at Mar. 31, 2023	$ 1,017,131	777,075	(17,945)	1,776,261
Net income	0	99,504	0	99,504
Other comprehensive loss	0	0	(25,452)	(25,452)
Dividends and dividend equivalents declared	$ 0	(49,223)	0	(49,223)
Common stock issued under the employee equity incentive plan (in shares)	200,000
Common stock issued under the employee equity incentive plan	$ 4	0	0	4
Stock-based compensation expense	37,995	0	0	37,995
Other comprehensive loss	$ 0	0	(25,452)	(25,452)
Balance (in shares) at Jun. 30, 2023	47,611,000
Balance at Jun. 30, 2023	$ 1,055,130	827,356	(43,397)	$ 1,839,089
Balance (in shares) at Dec. 31, 2023	48,028,000			48,028,000
Balance at Dec. 31, 2023	$ 1,129,937	947,064	(27,062)	$ 2,049,939
Net income	0	192,907	0	192,907
Other comprehensive loss	0	0	(17,432)	(17,432)
Dividends and dividend equivalents declared	$ 0	(123,763)	0	(123,763)
Common stock issued under the employee equity incentive plan (in shares)	671,000
Common stock issued under the employee equity incentive plan	$ 0	0	0	$ 0
Repurchases of common stock (in shares)	(12,000)			(12,400)
Repurchases of common stock	$ (8,626)	0	0	$ (8,626)
Stock-based compensation expense	98,227	0	0	98,227
Other comprehensive loss	$ 0	0	(17,432)	(17,432)
Common stock issued under the employee stock purchase plan (in shares)	11,000
Common stock issued under the employee stock purchase plan	$ 4,606	0	0	$ 4,606
Balance (in shares) at Jun. 30, 2024	48,698,000			48,698,000
Balance at Jun. 30, 2024	$ 1,224,144	1,016,208	(44,494)	$ 2,195,858
Balance (in shares) at Mar. 31, 2024	48,667,000
Balance at Mar. 31, 2024	$ 1,176,382	977,724	(40,549)	2,113,557
Net income	0	100,366	0	100,366
Other comprehensive loss	0	0	(3,945)	(3,945)
Dividends and dividend equivalents declared	$ 0	(61,882)	0	(61,882)
Common stock issued under the employee equity incentive plan (in shares)	37,000
Common stock issued under the employee equity incentive plan	$ 0	0	0	$ 0
Repurchases of common stock (in shares)	(6,000)			(6,300)
Repurchases of common stock	$ (4,550)	0	0	$ (4,550)
Stock-based compensation expense	52,312	0	0	52,312
Other comprehensive loss	$ 0	0	(3,945)	$ (3,945)
Balance (in shares) at Jun. 30, 2024	48,698,000			48,698,000
Balance at Jun. 30, 2024	$ 1,224,144	$ 1,016,208	$ (44,494)	$ 2,195,858