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Termination Benefits Termination Benefits (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Termination Benefits [Abstract]
Balance at December 31, 2014	$ 2,357
Provision for termination benefits (included in general and administrative expenses)	381
Termination benefits paid	(26)
Balance at December 31, 2015	$ 2,712

The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement.

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