Mezzanine and Stockholders' Equity - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Class of Stock [Line Items]
Holdback shares not issued to former shareholders (in shares)	144,466
Treasury shares (in shares)	12,425,639		12,323,164
Shares issued for exercise of warrants (in shares)	34,158
APC
Class of Stock [Line Items]
Treasury shares (in shares)	12,425,639		12,323,164
Dividends paid	$ 0.0	$ 10.0