Valuation Allowances (Tables)

12 Months Ended

Dec. 31, 2016

Valuation Allowance [Abstract]

Summary of Valuation Allowance [Table Text Block]

Valuation allowances as of December 31, 2016, 2015 and 2014, and the changes in the valuation allowances for the year ended December 31, 2016, 2015 and 2014 are as follows:

	Balance, January 1, 2016		Charged/ (credited) to costs and expenses			Deductions (Bad debts)		(Credited) to Goodwill		Balance, December 31, 2016
Deferred taxes valuation allowances	$	8,630	$	(168	)	$	—	$	—	$	8,462
	Balance, January 1, 2015		Charged/ (credited) to costs and expenses			Deductions (Bad debts)		(Credited) to Goodwill		Balance, December 31, 2015
Deferred taxes valuation allowances	$	5,148	$	3,482		$	—	$	—	$	8,630
	Balance, January 1, 2014		Charged/ (credited) to costs and expenses			Deductions (Bad debts)		(Credited) to Goodwill		Balance, December 31, 2014
Deferred taxes valuation allowances	$	4,586	$	562		$	—	$	—	$	5,148