Commitments, Contingencies and Guarantees (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Minimum rental commitments for the rental of office and production premises and equipment under non-cancellable leases net of sublease income, some of which provide for rental adjustments due to increased property taxes and operating costs, for the years ending December 31, 2017 and thereafter, are as follows:

Period	Amount
2017	$	57,294
2018	55,445
2019	51,858
2020	49,068
2021	43,697
2022 and thereafter	134,485
	$	391,847