Notes receivable, net and Variable interest entities (“VIEs”) consideration (Details) - Variable Interest Entity, not primary beneficiary - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Loan commitment on the consolidated balance sheet	$ 3,619	$ 3,650
Financing receivable, allowance for credit loss	$ 7	$ 6