Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2018, minimum future rental payments, exclusive of taxes and other charges, of these leases were:

	Years Ending December 31,
	(in thousands)
2019	$	10,947
2020	9,766
2021	8,729
2022	8,102
2023	6,796
Thereafter	18,703
Total minimum payments	$	63,043