Related Party Transactions and Arrangements - Amount Contractually Due and Forgiven (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Payable to related party	$ 21,898		$ 17,538
Affiliated entity
Related Party Transaction [Line Items]
Total expenses from transactions with related party	10,666	$ 9,072
Payable to related party	21,898		17,538
Affiliated entity | Acquisition expenses | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	315	153
Payable to related party	0		0
Affiliated entity | Administrative services expenses | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	3,353	3,474
Payable to related party	3,353		0
Affiliated entity | Asset management and subordinated performance fee | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	6,745	5,416
Payable to related party	17,586		15,595
Affiliated entity | Other related party expenses | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	253	29
Payable to related party	959		$ 1,943
Affiliated entity | Acquisition fees and expenses, including amount capitalized | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	3,200	2,600
Affiliated entity | Acquisition fees and expenses, amount capitalized | Nonrecurring fees
Related Party Transaction [Line Items]
Total expenses from transactions with related party	$ 2,900	$ 2,400