Derivative Instruments and Hedging Activities- Effects on statements of income and consolidated statements of comprehensive income (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Derivatives Designated as Hedging Instruments | Interest rate swap instruments | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Amount of Gain Recognized in Net Income (Loss) | $ 101 | $ 1,068 | $ 184 | $ 1,197 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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