Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Summary of Minimum Rental Commitments under Operating Leases

Minimum rental commitments as of December 31, 2018 under such operating leases were as follows (in thousands):

2019	$	9,764
2020		10,919
2021		10,114
2022		9,067
2023		8,738
2024 and thereafter		95,467
	$	144,069