Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 69,388	$ 206,626
Finance lease cost:
Amortization of right-of-use assets	73	199
Interest on lease liabilities	259	555
Short-term lease cost	592	1,776
Variable lease cost	11,945	32,777
Sublease income	(2,458)	(7,388)
Total lease cost	79,799	234,545
Unrelated Parties
Lessee, Lease, Description [Line Items]
Operating lease cost	68,046	202,600
Finance lease cost:
Amortization of right-of-use assets	73	199
Interest on lease liabilities	259	555
Short-term lease cost	592	1,776
Variable lease cost	11,789	32,380
Sublease income	(2,458)	(7,388)
Total lease cost	78,301	230,122
Related Parties
Lessee, Lease, Description [Line Items]
Operating lease cost	1,342	4,026
Finance lease cost:
Amortization of right-of-use assets	0	0
Interest on lease liabilities	0	0
Short-term lease cost	0	0
Variable lease cost	156	397
Sublease income	0	0
Total lease cost	$ 1,498	$ 4,423