XML 49 R40.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation Plans and Employee Benefits (Tables)
 3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of performance incentive plans
The following is a summary of the status of the Company’s equity-classified iPIP plans and changes during the three months ended March 31, 2021.
iPIP Investment Pool
2019-20202021-2022
Points at beginning of period97.40 — 
Granted— 94.00 
Forfeited(0.20)— 
Points at end of period97.20 94.00 
The following is a summary of the status of the Company’s liability-classified iPIP plans and changes during the three months ended March 31, 2021.
iPIP Investment Pool
2013-20142015-20162017-2018
Points at beginning of period80.17 70.40 73.34 
Forfeited— — — 
Points at end of period80.17 70.40 73.34 
Schedule of restricted stock units activity A summary of the Company’s stock-based compensation awards to certain employees in the form of long-term incentive awards for the three months ended March 31, 2021, is as follows (in thousands):
Nonvested at beginning of period531 
Granted327 
Vested (107)
Nonvested at end of period751