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CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Interest expense, amortization of deferred financing costs and debt discounts	$ 1,458us-gaap_AmortizationOfFinancingCostsAndDiscounts	$ 1,319us-gaap_AmortizationOfFinancingCostsAndDiscounts

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- Definition

Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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- Details

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