Net Income (Loss) per Share - Narrative (Details) - USD ($) $ in Millions			3 Months Ended	9 Months Ended
	Apr. 27, 2021	Feb. 16, 2021	Jun. 30, 2021	Sep. 30, 2021
Class of Stock [Line Items]
Stock compensation expense			$ 4.1
Restricted Stock Units (RSUs) | 2017 Equity Plan
Class of Stock [Line Items]
Shares awarded (in shares)	31,984	398,945
Shares to be issued upon settlement of awards (in shares)				87,209
Common stock shares contingently issuable (in shares)				13,157
Service-based RSUs | 2017 Equity Plan
Class of Stock [Line Items]
Vesting period				3 years
RSUs excluded from computation of earnings per share (in shares)				317,915
Service-based RSUs | 2016 Equity Plan
Class of Stock [Line Items]
RSUs excluded from computation of earnings per share (in shares)				6,219
Performance and market-based RSUs | 2017 Equity Plan
Class of Stock [Line Items]
Vesting period				3 years
RSUs excluded from computation of earnings per share (in shares)				521,916
Phantom Share Units (PSUs) | 2016 and 2017 Equity Plans
Class of Stock [Line Items]
Settlement period				5 years