Receivables - Deferred rent (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Receivables
Deferred rent receivables	$ 556,251	$ 538,040
Allowance for deferred rent receivables	(8,866)	(9,860)
Deferred rent receivables, net	$ 547,385	$ 528,180

Amount of excess of rental income recognized over rental payment required by lease.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant