Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Fixed contractual payments	$ 557,384	$ 566,294	$ 1,673,855	$ 1,678,100
Variable lease payments	109,290	125,931	333,049	373,565
Lease	$ 666,674	$ 692,225	$ 2,006,904	$ 2,051,665