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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 segment	Dec. 31, 2013
Related party accounts receivable	$ 1,865	$ 690
Related party accounts payable	4,954	3,939
Segments
Number of operating segment	1us-gaap_NumberOfOperatingSegments
Adjustments Relating to Prior Period Disclosures of Related Party Accounts Receivable, Accounts Payable and Accrued Expenses \| Adjustment
Related party accounts receivable		300
Related party accounts payable		2,800
Accrued Expenses
Related party accrued expenses	0	516
Accrued Expenses \| Adjustments Relating to Prior Period Disclosures of Related Party Accounts Receivable, Accounts Payable and Accrued Expenses \| Adjustment
Related party accrued expenses		$ 500

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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