Derivative termination cost,.

No definition available.

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- Definition

Derivative termination year month.

+ References

No definition available.

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- Definition

Realized gain (loss) on lumber contracts.

+ References

No definition available.

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- 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.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

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

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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.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

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

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

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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.

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- Definition

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

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Derivative Instruments (Narrative) (Details) $ in Millions	1 Months Ended		12 Months Ended
Derivative Instruments (Narrative) (Details) $ in Millions	Dec. 31, 2017 USD ($)	Apr. 30, 2017 USD ($) MMcf	Dec. 31, 2018 USD ($) Derivative	Jan. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Mar. 22, 2018 USD ($)
Derivatives Fair Value [Line Items]
Net losses expected to be reclassified into earnings in the next twelve months			$ 0.2
Term Loans [Member]
Derivatives Fair Value [Line Items]
Term loan debt			$ 100.0			$ 100.0
Interest Rate Swaps [Member]
Derivatives Fair Value [Line Items]
Notional amounts					$ 14.3
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] \| Cash Flow Hedging [Member] \| Subsequent Event [Member]
Derivatives Fair Value [Line Items]
Swaps fixed interest rate				4.56%
LIBOR variable interest rate				1.85%
Interest Rate Swaps [Member] \| Cash Flow Hedging [Member] \| Minimum [Member]
Derivatives Fair Value [Line Items]
Swaps fixed interest rate			3.88%
LIBOR variable interest rate			1.90%
Interest Rate Swaps [Member] \| Cash Flow Hedging [Member] \| Maximum [Member]
Derivatives Fair Value [Line Items]
Swaps fixed interest rate			4.82%
LIBOR variable interest rate			2.15%
Interest Rate Swaps [Member] \| Senior notes [Member]
Derivatives Fair Value [Line Items]
Notional amounts associated with senior notes	$ 50.0
Derivative, termination year	2017-12
Termination cost	$ 0.4
Unamortized balance expensed in 2019			$ 0.2
Interest Rate Swaps [Member] \| Senior notes [Member] \| Cash Flow Hedging [Member] \| Subsequent Event [Member]
Derivatives Fair Value [Line Items]
Notional amounts associated with senior notes				$ 150.0
Interest Rate Swaps [Member] \| Term Loans [Member] \| Cash Flow Hedging [Member]
Derivatives Fair Value [Line Items]
Term loan debt			$ 207.5
Commodity Contract [Member] \| Swap [Member] \| Derivatives not designated as Hedging Instrument [Member]
Derivatives Fair Value [Line Items]
Volume of southern yellow pine in lumber price swap \| MMcf		3
Lumber price swap expiration date		Dec. 31, 2017
Realized gain on lumber price swap		$ 1.1