Net Income per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 27,136,000	$ 13,593,000
Add back interest expense on convertible notes, net of tax (1)	627,000	0
Net income, diluted	$ 27,763,000	$ 13,593,000
Basic:
Weighted-average shares of common stock outstanding	33,843	31,864
Shares used in computing basic net income per share	33,843	31,864
Effect of dilutive securities:
Restricted stock subject to vesting	372	448
Shares issuable for acquisition consideration (in shares)	102	246
Shares issuable for conversion of convertible senior notes (in shares)	2,431	433
Shares issuable for exercise of warrants (in shares)	91	24
Shares used in computing diluted net income per share	36,839	33,015
Basic net income per share (in dollars per share)	$ 0.80	$ 0.43
Diluted net income per share (in dollars per share)	$ 0.75	$ 0.41
Shares authorized to repurchase	$ 315,000,000
Shares issuable for exercise of warrants (in shares)	91	24