Long-Term Debt (Details 1) - Corporate Segment [Member] - Senior Notes [Member]	12 Months Ended
	Dec. 31, 2015
Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption [Line Items]
Early redemption premium	105.625%
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption [Line Items]
Early redemption premium	103.75%
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption [Line Items]
Early redemption premium	101.875%
Debt Instrument, Redemption, Period Four [Member]
Debt Instrument, Redemption [Line Items]
Early redemption premium	100.00%