Stockholders' Equity - Stock Compensation - Performance-Based Restricted Stock Units - General Information (Details) - Performance Based Restricted Stock Units ("PSUs")	12 Months Ended
	Dec. 31, 2020 D
Stock options, Non vested restricted stock awards and nonvested restricted stock units
Term of performance period	3 years
Number of trading days considered for average share value	30
Minimum
Stock options, Non vested restricted stock awards and nonvested restricted stock units
Shares to be settled (as a percent)	0.00%
Maximum
Stock options, Non vested restricted stock awards and nonvested restricted stock units
Shares to be settled (as a percent)	200.00%