Restructuring Long-Lived Assets Held for sale, at fair value (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived assets held for sale (net carrying value)	$ 0	$ 3,184
Long-lived assets held for sale (total loss recognized)	0	2
Fair Value, Inputs, Level 3 [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived assets held for sale (fair value)	$ 0	$ 3,184