Leased Properties - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lessee, Lease, Description [Line Items]
Option to extend, amount	$ 55,055
Operating lease costs	330,275
Operating leases, rent expense		$ 366,000	$ 306,000
Operating lease, payments	330,792
Asset obtained in exchange	$ 373,779
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	20 years