Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Aggregate future minimum lease payments for operating and capital leases [Table Text Block]

The aggregate future minimum lease payments for operating and capital leases as of December 31, 2016 are as follows:

	Operating		Capital
2017	$	61,638	$	3,122
2018	53,454		1,901
2019	37,733		1,333
2020	25,567		1,089
2021	17,897		955
Thereafter	58,782		5,230
Total	$	255,071	$	13,630