Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

At December 31, 2018, future minimum lease payments under operating leases were as follows (in thousands):

2019	$	23,490
2020	24,945
2021	22,464
2022	22,107
2023	21,910
Thereafter	72,245
	$	187,161