Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014 are as follows:

	Operating		Capital
2015	$	63,979	$	3,801
2016	51,193		2,015
2017	42,647		731
2018	33,297		196
2019	24,283		112
2020 and thereafter	57,536		347
	$	272,935	$	7,202