CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Consolidated Statements of Comprehensive Income
Net income	$ 2,365	$ 4,492
Other comprehensive income
Mark to market of interest rate hedges, net of tax expenses of $65 and $83 for 2015 and 2014, respectively	113	146
Total other comprehensive income	113	146
Comprehensive income	$ 2,478us-gaap_ComprehensiveIncomeNetOfTax	$ 4,638us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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

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-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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

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-Topic 810

-SubTopic 10

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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