Restricted Cash, Other Assets and Other Liabilities - Schedule of Other Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Straight-line rents		$ 52,878	$ 37,230
Investment deposits and pending deal costs		14,844	32,994
Prefunded capital expenditures for Vantage SDC		75,235	0
Deferred financing costs, net		2,448	2,794
Derivative asset		6,007	21,382
Prepaid taxes and deferred tax assets, net		53,171	69,328
Receivables from resolution of investments		3,049	63,984
Operating lease right-of-use asset, net		178,603	180,486
Accounts receivable, net		63,241	53,387
Prepaid expenses		33,491	22,417
Other assets		22,965	29,219
Fixed assets, net		28,802	44,768
Other assets		534,734	557,989
Allowance of doubtful accounts		$ 1,500	$ 100
Aircraft
Property, Plant and Equipment [Line Items]
Impairment on corporate aircraft	$ 12,300