Annual report pursuant to Section 13 and 15(d)

NATURE OF BUSINESS AND ACCOUNTING POLICIES - Share-based Compensation (Details)

v3.21.1
NATURE OF BUSINESS AND ACCOUNTING POLICIES - Share-based Compensation (Details)
12 Months Ended
Dec. 31, 2020
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 2 years
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years