Significant Accounting Policies - Summary of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Basic net income (loss) attributable to common stockholders									$ (53,342)	$ (35,584)	$ 9,388
Diluted net income (loss) attributable to common stockholders									$ (53,342)	$ (35,584)	$ 9,388
Weighted average number of common shares outstanding (in shares)	34,384,000	34,374,000	34,362,000	27,429,000	26,252,000	25,808,000	17,364,000	16,081,000	32,661,000	21,402,000	15,331,000
Dilutive securities:
Incremental common shares issuable upon the exercise of dilutive stock options (in shares)									0	0	45,000
Weighted-average number of common shares outstanding and dilutive share equivalents outstanding (in shares)	34,384,000	34,374,000	34,362,000	27,429,000	26,252,000	25,808,000	17,364,000	16,081,000	32,661,000	21,402,000	15,376,000
Basic net income (loss) per share (in dollars per share)	$ (0.21)	$ (0.30)	$ (0.40)	$ (0.81)	$ (0.44)	$ (0.33)	$ (0.42)	$ (0.52)	$ (1.63)	$ (1.66)	$ 0.61
Diluted net income (loss) per share (in dollars per share)	$ (0.21)	$ (0.30)	$ (0.40)	$ (0.81)	$ (0.44)	$ (0.33)	$ (0.42)	$ (0.52)	$ (1.63)	$ (1.66)	$ 0.61