Preferred Stock (Tables)

6 Months Ended

Jun. 30, 2016

Preferred Stock, Including Additional Paid in Capital [Abstract]

Schedule of Stock by Class [Table Text Block]

The following table summarizes information about our Series A Preferred Stock.

	June 30, 2016			December 31, 2015
Series A preferred stock
Carrying value ($ in millions)	$	—		$	696
Par value (per share)	—			0.01
Liquidation preference (per share)	—			25
Number of shares authorized	—			40,870,560
Number of shares issued and outstanding	—			27,870,560
Dividend/coupon
Prior to May 15, 2016	—		%	8.5		%
On and after May 15, 2016	—		%	Three month LIBOR + 6.243%