Long-term Debt, Maturities, Repayment Terms, Lump Sum Due at Completion

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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

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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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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Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments.

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- Definition

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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- Definition

The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy.

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Derivative Financial Instruments (Australia Ravenhall) (Details) $ in Thousands, AUD in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 AUD
Derivative [Line Items]
Change in fair value of derivative instrument classified as cash flow hedge	$ (1,375)	$ (16,048)	$ 183
Payments on non-recourse debt	11,908	$ 18,627	$ 0
Interest Rate Swap \| Asset under Construction \| Ravenhall, Australia
Derivative [Line Items]
Fixed interest rate on cash flow interest rate derivative		3.30%
Notional amount	195,500			AUD 267.8
Interest Rate Swap \| Operating Phase of Asset \| Ravenhall, Australia
Derivative [Line Items]
Fixed interest rate on cash flow interest rate derivative		4.20%
Notional amount	340,400			466.3
Interest Rate Cap \| Ravenhall, Australia
Derivative [Line Items]
Payments on non-recourse debt	1,700
Increase (decrease) in fair value of interest rate cap assets	(400)
National Australia Bank Limited \| Non Recourse Debt \| Ravenhall
Derivative [Line Items]
Lump sum due at completion	226,300			AUD 310.0
Cash Flow Hedging \| Ravenhall, Australia
Derivative [Line Items]
Change in fair value of derivative instrument classified as cash flow hedge	(1,500)
Other Noncurrent Liabilities \| Ravenhall, Australia
Derivative [Line Items]
Value of swap liability	20,700
Other Noncurrent Assets \| Interest Rate Cap \| Ravenhall, Australia
Derivative [Line Items]
Interest rate fair value hedge asset at fair value	$ 100