XML 59 R41.htm IDEA: XBRL DOCUMENT v3.22.0.1
SUMMARY OF SIGNIFICANT EVENTS AND ACCOUNTING POLICIES - Change in Estimate (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
SUMMARY OF SIGNIFICANT EVENTS AND ACCOUNTING POLICIES  
Reduction of discretionary cash incentives $ 1.6