Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED AND DEFERRED COMPENSATION - Narrative (Details)

v3.21.1
STOCK BASED AND DEFERRED COMPENSATION - Narrative (Details)
3 Months Ended
Mar. 31, 2021
shares
Employees [Member] | Non-vested stock awards [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 5 years
Senior executive officers and non-employee directors [Member] | Non-vested stock awards and performance-based awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Cliff-vesting period 3 years
Non-Employee Director [Member] | Non-vested stock awards and performance-based awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 1 year
Cliff-vesting period 3 years
2018 stock incentive plan [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares of common stock authorized under stock compensation plan (up to) (in shares) 6,600,000
Remaining shares available for grant (in shares) 996,271