Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2016, minimum future rental payments, exclusive of taxes and other charges, of these leases were:

Years Ending December 31,	(in thousands)
2017	$	8,891
2018	8,184
2019	7,355
2020	6,514
2021	5,138
Thereafter	13,474
Total minimum payments	$	49,556