Notes and Other Receivables - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 756
Provision for credit losses	(64)	$ 110
Ending balance	760
Mezzanine and Bridge Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	756
Provision for credit losses	4
Ending balance	760
Mezzanine Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	671
Provision for credit losses	89
Ending balance	760
Bridge Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	85
Provision for credit losses	(85)
Ending balance	$ 0