Swaps Foreign Currency Swaps (Tables)

12 Months Ended

Dec. 31, 2016

Foreign Currency Swaps [Abstract]

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

Item Swapped	Notional Amount	Forward Rate	Start Date	End Date	Pay Amount	Receive Amount	Fair Value at December 31, 2016
May 2015 cash receipt from sale of CCAL	A$1,400,000	0.8072	May 2015	June 2015	Australian Dollar	US Dollar	N/A	(a)
Installment payment from Buyer	A$155,000	0.79835	May 2015	January 2016	Australian Dollar	US Dollar	N/A	(b)

(a) In conjunction with closing the CCAL sale on May 28, 2015, the Company cash settled the swap with a notional value of Australian dollar $1.4 billion and recorded a gain on foreign currency swaps of $54.5 million, which is included as a component of "other income (expense)" on the Company's consolidated statement of operations.

(b) As of December 31, 2015, the Company marked-to-market the swap with a notional value of Australian dollar $155 million and recorded (1) an asset within "other current assets" on the Company's consolidated balance sheet and (2) a corresponding gain on foreign currency swaps, which is included as a component of "other income (expense)" on the Company's consolidated statement of operations. In January 2016, the previously outstanding swap related to the installment payment received from the Buyer was settled.