Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cares Act (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cares Act (Details) - Paycheck Protection Program, Cares Act - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Mar. 04, 2021
Jun. 08, 2020
Short term debt      
Debt instrument, face   $ 5.5 $ 16.4
Proceeds from short term debt $ 12.7