Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of cash and cash equivalents and restricted cash presented on the consolidated statements of cash flows
Cash and cash equivalents	$ 339,601	$ 98,633	$ 307,172
Restricted cash included in deferred expenses and other assets, net	54,395	51,933	45,034
Total cash and cash equivalents and restricted cash	393,996	150,566	352,206
Supplemental disclosure of non-cash investing and financing activity:
Fundings and (repayments) of loan receivables and loan participations, net	(42,501)	6,720	13,014
Contributions to other investments	1,000
Sales-type lease origination	41,000		411,523
Contributions of real estate and land and development assets to equity method investments, net			4,073
Accounts payable for capital expenditures on real estate assets	3,085	7,604
Increase in net lease assets upon consolidation of equity method investment	45,313
Increase in debt obligations upon consolidation of equity method investment	44,672
Non-cash proceeds from sale of land and development asset	1,200
Financing provided on sales of real estate	$ 8,000
Acquisition of land and development asset through joint venture consolidation			27,000
Conversion of Series J convertible preferred stock			193,510
Accrued finance costs		115	2,362
Accrued repurchase of stock		$ 200	6,358
Assumption of mortgage by third party			$ 228,000