Notes Receivable - Interest Income and Payment Received (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 1,379	$ 1,451	$ 2,760	$ 2,821
Payment received relating to notes receivables			2,381
Notes Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	1,300	$ 1,400	2,700	2,700
Payment received relating to notes receivables			5,100	$ 2,800
Accrued interest receivable	$ 41,000		$ 41,000		$ 41,000