Operating Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Summary of Minimum Annual Lease Payments for Noncancelable Operating Leases

Minimum annual lease payments for noncancelable operating leases in effect at December 31, 2018 are as follows (in thousands):

2019	$	19,877
2020	17,531
2021	14,776
2022	12,317
2023	7,654
Thereafter	28,771
	$	100,926