Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details)

v3.21.2
Restructuring Charges (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Aug. 14, 2020
numberOfPositions
Dec. 31, 2020
USD ($)
Restructuring Cost and Reserve [Line Items]              
Factor by which the average annual base management fee is multiplied for purposes of determining the management agreement termination fee | numberOfPositions           3  
Period over which the average annual base management fee is calculated for purposes of determining the management agreement termination fee           24 months  
Restructuring charges $ 0 $ (139,800) $ 145,069 $ 0 $ 145,788   $ 5,700
Contract Termination [Member]              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges         $ 139,800