Employee Retirement Benefit Plan	12 Months Ended
	Dec. 31, 2020
Retirement Benefits [Abstract]
Employee Retirement Benefit Plan	EMPLOYEE RETIREMENT BENEFIT PLANWe maintain a 401(k) defined contribution retirement plan for our eligible U.S. employees. Costs charged to operations in connection with the 401(k) plan during 2020, 2019 and 2018 aggregated to $1.8 million, $2.2 million, and $2.1 million, respectively.