Net Income (Loss) Per Share - Basic and Diluted Net Income (Loss) per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss		$ 18,580	$ (187,538)	$ (30,745)
Deemed dividend		0
Deemed dividend		0
Net income (loss) attributable to stockholders – Diluted		$ 18,580
Weighted-average common shares - Diluted (shares)	[1]	102,147,353
Diluted EPS ($ per share)	[1]	$ 0.18
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss		$ 18,456	(154,664)	(30,745)
Deemed dividend		0	(50,204)	0
Net income (loss) attributable to stockholders – Basic		$ 18,456	$ (204,868)	$ (30,745)
Weighted-average common shares - Basic (shares)	[1]	97,486,754	77,934,302	87,278,596
Basic EPS ($ per share)	[1]	$ 0.19	$ (2.63)	$ (0.35)
Deemed dividend		$ 0	$ (50,204)	$ 0
Net income (loss) attributable to stockholders – Diluted			$ (204,868)	$ (30,745)
Weighted-average common shares - Diluted (shares)	[1]		77,934,302	87,278,596
Diluted EPS ($ per share)	[1]		$ (2.63)	$ (0.35)
Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss		124	$ (32,874)
Deemed dividend		0	50,204
Net income (loss) attributable to stockholders – Basic		$ 124	$ 17,330
Weighted-average common shares - Basic (shares)	[1]	653,118	12,505,393	0
Basic EPS ($ per share)	[1]	$ 0.19	$ 1.39	$ 0.00
Deemed dividend		$ 0	$ 50,204
Net income (loss) attributable to stockholders – Diluted			$ 17,330
Weighted-average common shares - Diluted (shares)	[1]		12,505,393	0
Diluted EPS ($ per share)	[1]		$ 1.39	$ 0.00

[1] See “Notes to Consolidated Financial Statements – Note 4. Net Income (Loss) Per Share” for additional information.