Annual report pursuant to Section 13 and 15(d)

NATURE OF BUSINESS AND ACCOUNTING POLICIES - Corporate History and Recapitalization (Details)

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NATURE OF BUSINESS AND ACCOUNTING POLICIES - Corporate History and Recapitalization (Details)
$ in Millions
1 Months Ended 12 Months Ended
Jul. 25, 2018
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2020
segment
Business Acquisition [Line Items]      
Number of reportable segments | segment     3
MI Acquisitions      
Business Acquisition [Line Items]      
IPO proceeds   $ 54.0  
MI Acquisitions      
Business Acquisition [Line Items]      
Total consideration transferred $ 49.4