Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
STOCK BASED AND DEFERRED COMPENSATION - Summary of Compensation Expense and Stock Award Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Summary of compensation expense and stock award activity        
Stock-based compensation expense (in dollars) $ 3,223 $ 3,157 $ 8,590 $ 9,594
Restricted Stock [Member]        
Summary of compensation expense and stock award activity        
Restricted stock awards vested (includes performance-based awards) (in shares) 0 6,060 434,729 404,406
Non-vested shares [Member]        
Summary of compensation expense and stock award activity        
Non-vested shares granted (in shares) 0 0 221,552 223,481
Performance-based non-vested shares [Member]        
Summary of compensation expense and stock award activity        
Non-vested shares granted (in shares) 0 0 46,593 56,139
Shares issued as a result of performance achievement exceeding performance targets (in shares) 0 [1] 0 [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.