Derivative Financial Instruments - (Australia Ravenhall) (Details) $ in Millions		12 Months Ended
May 22, 2019 USD ($)	Dec. 31, 2019 USD ($) instrument
Interest Rate Swap
Derivative [Line Items]
Derivative, number of instruments held \| instrument		2
Notional amount		$ 44.3
Derivative, fixed interest rate		4.22%
Change in fair value of derivative instrument classified as cash flow hedge		$ (1.5)
Value of swap liability		$ 1.9
Interest Rate Swap \| Operating Phase of Asset \| Ravenhall, Australia
Derivative [Line Items]
Derivative, fixed interest rate		4.20%
Ravenhall
Derivative [Line Items]
Gain (loss) on interest rate cash flow hedge ineffectiveness	$ 3.9

Fixed interest rate related to the interest rate derivative.

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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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Nominal or face amount used to calculate payment on derivative.

+ References

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The number of derivative instruments of a particular group held by the entity.

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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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