Notes Receivable - Components (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Notes receivable activities
Mezzanine loan			$ 6,800
Notes receivable loan loss reserve	$ (286)	$ (146)
Total	28,337	14,465
Mezzanine loan
Notes receivable activities
Mezzanine loan	11,815	8,445
Other loans
Notes receivable activities
Mezzanine loan	$ 16,808	$ 6,166