Restructuring (Tables)

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

May 2012 Restructuring Plan [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring and Related Costs [Table Text Block]

The following table sets forth a summary of restructuring activities related to the Company’s May 2012 restructuring program in 2014 (in thousands):

	December 31, 2013		Costs Incurred		Cash Payments		December 31, 2014
Termination benefits	$	49	$	—	$	49	$	—

The following table sets forth a summary of restructuring activities related to the Company’s May 2012 restructuring program in 2013 (in thousands):

	December 31, 2012		Costs Incurred		Cash Payments		December 31, 2013
Termination benefits	$	149	$	—	$	100	$	49

February 2013 Restructuring Plan [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring and Related Costs [Table Text Block]

The following table sets forth a summary of restructuring activities related to the Company's February 2013 restructuring program (in thousands):

	December 31, 2012	Costs Incurred	Cash Payments	December 31, 2013
Termination benefits	—	2,522	2,522	—

2014 Restructuring Plan [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring and Related Costs [Table Text Block]

The following table sets forth a summary of restructuring activities related to the Company’s 2014 restructuring program (in thousands):

	December 31, 2013	Costs Incurred	Cash Payments	December 31, 2014
Termination benefits	—	1,841	1,140	701