Annual report pursuant to Section 13 and 15(d)

NATURE OF BUSINESS AND ACCOUNTING POLICIES - Measurements of Certain Equity Investments (Details)

v3.21.1
NATURE OF BUSINESS AND ACCOUNTING POLICIES - Measurements of Certain Equity Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Amount borrowed under loan and loan commitment agreement $ 3.5 $ 3.5
Maximum loan commitment available for future issuance $ 10.0 $ 10.0