Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		101,043,924
Treasury stock, beginning (in shares) at Dec. 31, 2021				0
Beginning balance at Dec. 31, 2021	$ 850,242	$ 1,010	$ 1,559,616	$ 0	$ 7,046	$ (717,430)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	55,608		55,608
Net issuances under equity incentive plans (in shares)		4,044,837		7,751
Net issuances under equity incentive plans	(3,654)	$ 41	(3,597)	$ (98)
Net unrealized loss on securities available for sale, net of tax	(46,880)				(46,880)
Net income	266,094					266,094
Ending balance (in shares) at Sep. 30, 2022		105,088,761
Treasury stock, ending (in shares) at Sep. 30, 2022				7,751
Ending balance at Sep. 30, 2022	1,121,410	$ 1,051	1,611,627	$ (98)	(39,834)	(451,336)
Beginning balance (in shares) at Jun. 30, 2022		103,630,776
Treasury stock, beginning (in shares) at Jun. 30, 2022				0
Beginning balance at Jun. 30, 2022	1,079,117	$ 1,036	1,594,458	$ 0	(21,843)	(494,534)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	18,757		18,757
Net issuances under equity incentive plans (in shares)		1,457,985		7,751
Net issuances under equity incentive plans	(1,671)	$ 15	(1,588)	$ (98)
Net unrealized loss on securities available for sale, net of tax	(17,991)				(17,991)
Net income	43,198					43,198
Ending balance (in shares) at Sep. 30, 2022		105,088,761
Treasury stock, ending (in shares) at Sep. 30, 2022				7,751
Ending balance at Sep. 30, 2022	$ 1,121,410	$ 1,051	1,611,627	$ (98)	(39,834)	(451,336)
Beginning balance (in shares) at Dec. 31, 2022	106,546,995	106,546,995
Treasury stock, beginning (in shares) at Dec. 31, 2022				0
Beginning balance at Dec. 31, 2022	$ 1,164,294	$ 1,065	1,628,590	$ 0	(37,616)	(427,745)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	48,874		48,874
Net issuances under equity incentive plans (in shares)		3,101,774
Net issuances under equity incentive plans	(17,197)	$ 31	(17,228)
Net unrealized loss on securities available for sale, net of tax	(16,536)				(16,536)
Net income	$ 28,784					28,784
Ending balance (in shares) at Sep. 30, 2023	109,648,769	109,648,769
Treasury stock, ending (in shares) at Sep. 30, 2023				0
Ending balance at Sep. 30, 2023	$ 1,208,219	$ 1,096	1,660,236	$ 0	(54,152)	(398,961)
Beginning balance (in shares) at Jun. 30, 2023		108,694,120
Treasury stock, beginning (in shares) at Jun. 30, 2023				0
Beginning balance at Jun. 30, 2023	1,205,523	$ 1,087	1,647,593	$ 0	(39,188)	(403,969)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	16,783		16,783
Net issuances under equity incentive plans (in shares)		954,649
Net issuances under equity incentive plans	(4,131)	$ 9	(4,140)
Net unrealized loss on securities available for sale, net of tax	(14,964)				(14,964)
Net income	$ 5,008					5,008
Ending balance (in shares) at Sep. 30, 2023	109,648,769	109,648,769
Treasury stock, ending (in shares) at Sep. 30, 2023				0
Ending balance at Sep. 30, 2023	$ 1,208,219	$ 1,096	$ 1,660,236	$ 0	$ (54,152)	$ (398,961)