Net Investment in Sales-type Leases, Ground Lease Receivables and Loans Receivable, net - Related Party (Schedule of Net Investment in Sales-type Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Total undiscounted cash flows	$ 29,565,276	$ 29,586,227
Unguaranteed estimated residual value	2,900,513	2,900,218
Present value discount	(29,325,633)	(29,379,846)
Allowance for credit losses	(325)	0
Net investment in sales-type leases	$ 3,139,831	$ 3,106,599	$ 2,739,924	$ 2,412,716