Stockholders' Equity and Non-Controlling Interests - Common Stock Issued to Manager (Details) - 2017 Manager Equity Plan - $ / shares	1 Months Ended
	Nov. 30, 2021	Aug. 31, 2021	May 31, 2021	Feb. 28, 2021	May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Mar. 31, 2019
Equity Incentive Plans
Shares of common stock issued (in shares)	18,649	97,151	267,378	332,002	2,065,322	355,910	38,942	495,363
Price per share (in dollars per share)	$ 26.08	$ 25.79	$ 24.54	$ 22.55		$ 25.51	$ 24.08	$ 22.16
Base Management Fee
Equity Incentive Plans
Shares of common stock issued (in shares)					1,422,143
Price per share (in dollars per share)					$ 13.42
Management Fees
Equity Incentive Plans
Shares of common stock issued (in shares)					643,179
Price per share (in dollars per share)					$ 12.25