Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease commitments under non-cancelable operating leases

Future minimum rental commitments under non-cancelable leases with initial or remaining terms in excess of one year at December 31, 2018 were as follows (in thousands):

	Amount
2019	$	106,456
2020	123,757
2021	130,017
2022	126,230
2023	122,698
Thereafter	594,464
Total	$	1,203,622