Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Aggregate Future Minimum Commitments of Lease Payments

At December 31, 2017, the minimum commitments under all noncancellable leases with remaining terms of more than one year and expiring through 2033 are as follows (in thousands):

Year
2018	$	3,185
2019	3,045
2020	2,853
2021	2,635
2022	2,329
Thereafter	15,785
	$	29,832