Notes and Other Receivables - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		$ 756
Provision for credit losses		(63)	$ 107
Ending balance	$ 701	701
Mezzanine and Bridge Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		756
Provision for credit losses	(55)
Ending balance	701	701
Mezzanine Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		671
Provision for credit losses	30
Ending balance	701	701
Bridge Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		85
Provision for credit losses	(85)
Ending balance	$ 0	$ 0