Derivative original maturity date.

No definition available.

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- Definition

Derivative termination cost,.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Derivative termination year month.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Balance Type:	credit
Period Type:	duration

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

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+ Details

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Balance Type:	na
Period Type:	instant

- 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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Balance Type:	na
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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-SubTopic 20
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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

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- Details

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- Details

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- Details

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Derivative Instruments (Narrative) (Details) $ in Millions	1 Months Ended	9 Months Ended	12 Months Ended
Derivative Instruments (Narrative) (Details) $ in Millions	Dec. 31, 2017 USD ($)	Sep. 30, 2018 USD ($) Derivative	Dec. 31, 2017 USD ($)	Mar. 31, 2018 USD ($) Derivative
Derivatives Fair Value [Line Items]
Net losses expected to be reclassified into earnings in the next twelve months		$ 0.1
Interest Rate Swaps [Member]
Derivatives Fair Value [Line Items]
Number of interest rate swap agreements \| Derivative				3
Notional amounts				$ 14.3
Derivative original maturity date		Nov. 30, 2019
Interest expense over the next twelve months			$ 0.2
Interest Rate Swaps [Member] \| Cash Flow Hedging [Member]
Derivatives Fair Value [Line Items]
Number of interest rate swap agreements \| Derivative		4
Interest Rate Swaps [Member] \| Senior notes [Member]
Derivatives Fair Value [Line Items]
Notional amounts associated with senior notes	$ 50.0		$ 50.0
Derivative, termination year	2017-12
Termination cost	$ 0.4