Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (shares) at Dec. 31, 2021		101,043,924
Beginning balance at Dec. 31, 2021	$ 850,242	$ 1,010	$ 1,559,616	$ 7,046	$ (717,430)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	36,851		36,851
Net issuances under equity incentive plans (in shares)		2,586,852
Net issuances under equity incentive plans	(1,983)	$ 26	(2,009)
Net unrealized loss on securities available for sale, net of tax	(28,889)			(28,889)
Net income	222,896				222,896
Ending balance (shares) at Jun. 30, 2022		103,630,776
Ending balance at Jun. 30, 2022	1,079,117	$ 1,036	1,594,458	(21,843)	(494,534)
Beginning balance (shares) at Mar. 31, 2022		102,194,037
Beginning balance at Mar. 31, 2022	887,434	$ 1,022	1,576,147	(13,141)	(676,594)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	19,664		19,664
Net issuances under equity incentive plans (in shares)		1,436,739
Net issuances under equity incentive plans	(1,339)	$ 14	(1,353)
Net unrealized loss on securities available for sale, net of tax	(8,702)			(8,702)
Net income	182,060				182,060
Ending balance (shares) at Jun. 30, 2022		103,630,776
Ending balance at Jun. 30, 2022	$ 1,079,117	$ 1,036	1,594,458	(21,843)	(494,534)
Beginning balance (shares) at Dec. 31, 2022	106,546,995	106,546,995
Beginning balance at Dec. 31, 2022	$ 1,164,294	$ 1,065	1,628,590	(37,616)	(427,745)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	32,091		32,091
Net issuances under equity incentive plans (in shares)		2,147,125
Net issuances under equity incentive plans	(13,066)	$ 22	(13,088)
Net unrealized loss on securities available for sale, net of tax	(1,572)			(1,572)
Net income	$ 23,776				23,776
Ending balance (shares) at Jun. 30, 2023	108,694,120	108,694,120
Ending balance at Jun. 30, 2023	$ 1,205,523	$ 1,087	1,647,593	(39,188)	(403,969)
Beginning balance (shares) at Mar. 31, 2023		107,460,734
Beginning balance at Mar. 31, 2023	1,190,742	$ 1,075	1,637,283	(33,537)	(414,079)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	18,021		18,021
Net issuances under equity incentive plans (in shares)		1,233,386
Net issuances under equity incentive plans	(7,699)	$ 12	(7,711)
Net unrealized loss on securities available for sale, net of tax	(5,651)			(5,651)
Net income	$ 10,110				10,110
Ending balance (shares) at Jun. 30, 2023	108,694,120	108,694,120
Ending balance at Jun. 30, 2023	$ 1,205,523	$ 1,087	$ 1,647,593	$ (39,188)	$ (403,969)