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Subsequent Events Redemption of HoldCo Note (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Subsequent Event [Line Items]
Interest		$ 36,244		$ 36,244		$ 33,985
Loss on early extinguishments of debt		863	$ 71	32,333	$ 1,129
Parent
Subsequent Event [Line Items]
Long-term Debt, Gross		2,322,535		2,322,535		2,389,165
Loss on early extinguishments of debt		444	$ 0	30,452	$ 0
Other | Holdco Note [Member] | Parent
Subsequent Event [Line Items]
Interest		5,800		5,800
Long-term Debt, Gross		$ 157,810		157,810		$ 143,000
Interest added to principal				$ 14,800
Loss on early extinguishments of debt	$ (7,900)

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- Definition

Interest added to principal

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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