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Supplemental Cash Flow Information - Supplemental Cash Flow Disclosure (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Cash Flow Elements [Abstract]
Interest paid, excluding amounts capitalized	$ 8,067	$ 9,339	$ 291
Income taxes paid	$ 417	$ 7,088	$ 8,304

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.