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Acquisition (Purchase Consideration) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 07, 2013
Acquisition [Abstract]
Cash paid	$ 6,780
Acquisition-date fair value of the previously held equity interest	5,214
Total purchase consideration	$ 11,994

The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

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- Definition

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

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