Operating Leases, as Lessee (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Future Non-cancellable Minimum Rental Payments Required Under Operating Leases and/or Licenses

The future non-cancellable minimum rental payments required under operating leases and/or licenses at December 31, 2018 are as follows (in thousands):

Year Ending December 31,
2019	$	14,778
2020		11,128
2021		11,008
2022		10,161
2023		10,250
Thereafter		57,221
Total	$	114,546