Equity and Noncontrolling Interest (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

						Unrealized
				Defined		Gain (Loss) in
		Currency		Benefit		Available-for-
		Translation		Pension		Sale
		Adjustments		Plans		Securities		Total
Balance at December 31, 2013		$	1,152	$	(37,433)	$	1,581	$	(34,700)
	Other comprehensive (loss) income before reclassifications		(15,464)		(9,232)		2,057		(22,639)
	Amounts reclassified from AOCI		—		3,043		(2,245)		798
	Related tax amounts		—		2,071		64		2,135
Balance at December 31, 2014			(14,312)		(41,551)		1,457		(54,406)
	Other comprehensive (loss) income before reclassifications		(24,232)		5,057		(850)		(20,025)
	Amounts reclassified from AOCI		—		3,642		(632)		3,010
	Related tax amounts		—		(2,399)		504		(1,895)
Balance at December 31, 2015			(38,544)		(35,251)		479		(73,316)
	Other comprehensive (loss) income before reclassifications		(13,711)		(4,229)		834		(17,106)
	Amounts reclassified from AOCI		—		3,075		(17)		3,058
	Related tax amounts		—		237		(280)		(43)
Balance at December 31, 2016		$	(52,255)	$	(36,168)	$	1,016	$	(87,407)