Equity (Deficit) - Summary of Changes in Number of Outstanding Common Units and Shares of Common Stock (Detail)	9 Months Ended
	Sep. 30, 2020 shares
Summary Of Changes In Number Of Outstanding Units Or Shares [Line Items]
Beginning balance	37,566,540
Ending balance	37,627,566
Common Stock [Member]
Summary Of Changes In Number Of Outstanding Units Or Shares [Line Items]
Beginning balance	37,566,540
Issuance of common stock	0
Restricted stock units vested	83,412
Repurchase of common shares	(22,386)	[1]
Ending balance	37,627,566

[1] Represents the net settlement on vesting of restricted stock necessary to satisfy the minimum statutory tax withholding requirements.