Annual report pursuant to Section 13 and 15(d)

RELATED PARTY MATTERS - Narrative (Details)

v3.21.1
RELATED PARTY MATTERS - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Related Party Transaction [Line Items]      
Amount borrowed under loan and loan commitment agreement $ 3.5   $ 3.5
Maximum loan commitment available for future issuance $ 10.0   $ 10.0
Annual interest rate 12.00%    
Expenses from transactions with related party $ 1.1    
Underwriting commissions capitalized to additional paid in capital   $ 8.0  
Call-right purchase price     $ 10.30
Members Of Priority Holdings LLC      
Related Party Transaction [Line Items]      
Due from related parties $ 0.2   $ 0.2