Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Minimum Future Rental Payments under Operating Leases

Minimum future rental payments under these leases are as set forth below for each of the following years (dollars in thousands):

2017	$	35,946
2018	26,115
2019	20,437
2020	16,502
2021	14,316
Thereafter	44,766
	$	158,082