Commitments and Contingencies (Details) $ in Thousands				3 Months Ended	12 Months Ended
	Apr. 25, 2016 lawsuit	Apr. 24, 2016 defendant	Mar. 01, 2016 lawsuit	Jun. 30, 2020	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 25, 2021 USD ($)	Jul. 01, 2021 USD ($)	Apr. 20, 2021 USD ($)	Apr. 01, 2021 USD ($)	Mar. 31, 2021 USD ($)
Other Commitments [Line Items]
Monthly percentage of effective management fee percentage					8.33%
Gross equity raised					$ 3,313,937	$ 2,944,169	$ 2,965,163
Fee waiver adjustment, first quarter										$ 2,100		$ 2,400
Fee waiver adjustment, every month thereafter								$ 650	$ 700		$ 800
Management fees waived					$ 8,600	$ 8,855	$ 0
Transactions Case
Other Commitments [Line Items]
Number of new claims filed | lawsuit			9
Number of defendants, current directors | defendant		8
Number of consolidated claims | lawsuit	1
ARRM
Other Commitments [Line Items]
Percentage of gross equity raised used in calculation of management fee up to 1 Billion					1.50%
Percentage of gross equity raised used in calculation of management fee in excess of 1 Billion					0.75%
Effective management fee					0.98%	1.00%	1.00%
Management fee waived percentage				40.00%
Management fees waived					$ 8,600	$ 8,855	$ 0