Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED AND DEFERRED COMPENSATION - Summary of Compensation Expense and Stock Award Activity (Details)

v3.21.1
STOCK BASED AND DEFERRED COMPENSATION - Summary of Compensation Expense and Stock Award Activity (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Summary of compensation expense and stock award activity    
Stock-based compensation expense (in dollars) $ 5,367 $ 6,437
Restricted Stock [Member]    
Summary of compensation expense and stock award activity    
Restricted stock awards vested (includes performance-based awards) (in shares) 434,729 398,346
Non-vested shares [Member]    
Summary of compensation expense and stock award activity    
Non-vested shares granted (in shares) 221,552 223,481
Performance-based non-vested shares [Member]    
Summary of compensation expense and stock award activity    
Non-vested shares granted (in shares) 46,593 56,139
Shares issued as a result of performance achievement exceeding performance targets (in shares) [1] 37,425 24,054
[1] Performance-based shares that vested and were issued as a result of performance achievement exceeding the originally established targeted number of shares related to respective performance metrics.