XML 36 R25.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Stock-Based Compensation [Abstract]  
Disclosure of restricted stock award activity
The following tables summarize our restricted stock award activity for the three months ended March 31, 2021 and 2020.

Three Months Ended March 31, 2021
Number of Shares of Restricted Stock Awards (in thousands)Weighted Average Grant Date Fair Value
Unvested at beginning of period59.7 $20.29 
Granted19.3 18.69 
Vested(25.3)19.78 
Forfeited— — 
Outstanding (unvested) at end of period53.7 $19.95 

Three Months Ended March 31, 2020
Number of Shares of Restricted Stock Awards (in thousands)Weighted Average Grant Date Fair Value
Unvested at beginning of period52.1 $20.55 
Granted60.2 20.84 
Vested(38.0)20.86 
Forfeited(0.5)19.32 
Outstanding (unvested) at end of period73.8 $20.66