Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Leases, Operating [Abstract]

Future Minimum Lease Payments under Operating Leases

The following is a schedule, by calendar year, of future minimum lease payments under operating leases that have remaining terms as of December 31, 2016:

Period/Year	Operating Leases
	(in thousands)
2017	$	2,424
2018	1,838
2019	915
2020	755
2021	740
Thereafter	2,438
Total minimum lease payments	$	9,110

Operating Leases Expense

Total expense for all operating leases was as follows:

	Year Ended December 31,
	2016		2015		2014
	(in thousands)
Operating lease expense	$	2,615	$	2,003	$	1,210