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Derivative Instruments Fair Value (Details) - Interest Rate Swap - Designated as Hedging Instrument - USD ($) $ in Millions | 1 Months Ended |
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Feb. 29, 2016 | Mar. 31, 2015 | Mar. 31, 2018
Derivatives, Fair Value [Line Items] |  |  |
Derivative, Term of Contract |  | 10 years |
Derivative, basis spread on variable rate |  |  | 53.60%
Derivative, fixed interest rate |  |  | 1.625%
Derivative asset, notional amount |  | $ 431.3 |
Percentage of debt hedged by interest rate derivatives |  | 25.00% |
Cash receipts upon termination of interest rate swap agreements | $ 25.7 |  |
Derivative, accrued interest received on hedge | $ 3.7 |  |

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- Definition Derivative, Accrued Interest Received on Hedge + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959 + 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 The amount of cash received during the period on settlement of a hedge. + 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 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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- 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 Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge. + References No definition available. + Details
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- Details
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- Details
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