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Derivative Financial Instruments and Hedging Activities - Outstanding Interest Rate Swaps (Details) - Cash Flow Hedging - Designated as Hedging Instrument | 12 Months Ended
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Dec. 31, 2017 USD ($)
August 2015 |
Derivative [Line Items] |
Term | 9 years
Notional Amount | $ 170,000
Fixed Rate of Swap | 2.20%
Bank Margin on Debt | 1.63%
Total Rate | 3.83%
August 2015 |
Derivative [Line Items] |
Term | 9 years
Notional Amount | $ 180,000
Fixed Rate of Swap | 2.35%
Bank Margin on Debt | 1.63%
Total Rate | 3.98%
April 2016 |
Derivative [Line Items] |
Term | 10 years
Notional Amount | $ 100,000
Fixed Rate of Swap | 1.60%
Bank Margin on Debt | 1.90%
Total Rate | 3.50%
April 2016 |
Derivative [Line Items] |
Term | 10 years
Notional Amount | $ 100,000
Fixed Rate of Swap | 1.60%
Bank Margin on Debt | 1.90%
Total Rate | 3.50%
July 2016 |
Derivative [Line Items] |
Term | 10 years
Notional Amount | $ 100,000
Fixed Rate of Swap | 1.26%
Bank Margin on Debt | 1.90%
Total Rate | 3.16%

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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- Details
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- Details
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