Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Operating Leases of Lessee Disclosure

At December 31, 2018, we occupied several facilities under noncancellable operating leases expiring at various dates through 2035. Future minimum rentals under all of our operating leases, including vessel rentals, are as follows:

(in thousands)
2019	$	35,064
2020	32,216
2021	29,014
2022	28,213
2023	27,083
Thereafter	236,161
Total Lease Commitments	$	387,751