XML 62 R51.htm IDEA: XBRL DOCUMENT v3.20.2
STOCK-BASED COMPENSATION AND EQUITY - Summary of Restricted Stock Activity (Details) - Restricted Stock - $ / shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Shares    
Nonvested stock outstanding at beginning of period, shares 525,859 475,132
Granted, shares 136,771 133,936
Performance share awards settled through issuance of restricted stock, shares 19,678 138,566
Vested, shares (265,518) (221,775)
Nonvested stock outstanding at end of period, shares 416,790 525,859
Weighted-Average Grant Date Fair Value Per Share    
Nonvested stock outstanding at beginning of period, Weighted-Average Grant-Date Fair Value (in dollars per share) $ 30.51 $ 32.00
Granted, Weighted-Average Grant-Date Fair Value (in dollars per share) 26.16 30.89
Settled, Weighted-Average Grant-Date Fair Value (in dollars per share) 30.15 29.80
Vested, Weighted-Average Grant-Date Fair Value (in dollars per share) 30.85 33.48
Nonvested stock outstanding at end of period, Weighted-Average Grant-Date Fair Value (in dollars per share) $ 28.85 $ 30.51
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 1 year  
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years