Income Taxes (Tables)

9 Months Ended

Sep. 30, 2016

Income Tax Uncertainties [Abstract]

Unrecognized Tax Benefits Related To Uncertain Tax Positions [Table Text Block]

The net interest and penalties expense recognized were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(in thousands)
Net interest and penalties expense	$	591	$	170	$	923	$	645

Accrued interest and penalties recorded were as follows:

	September 30, 2016		December 31, 2015
	(in thousands)
Accrued interest	$	2,733	$	2,105
Accrued penalties	3,070		2,577

Unrecognized tax benefits related to uncertain tax positions and the amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate were as follows:

	September 30, 2016		December 31, 2015
	(in thousands)
Unrecognized tax benefits related to uncertain tax positions	$	56,216	$	54,880
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate	54,908		53,602