XML 122 R109.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stock Incentive Plan (Schedule of Nonvested Restricted Stock Units Activity) (Details) - Restricted Stock Units (RSUs) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
RSUs granted and unvested at beginning of period: 3,804,336 4,124,260 5,062,661
Granted 848,660 962,453 840,796
Vested (1,015,973) (1,111,588) (1,447,522)
Canceled (207,344) (170,789) (331,675)
RSUs granted and unvested at end of period: 3,429,679 3,804,336 4,124,260