Subsequent Event - Merger (Details) (USD $) In Billions, unless otherwise specified	7 Months Ended
	Jul. 21, 2013
Subsequent Event - Merger (Details) [Line Items]
Business Combination, Consideration Transferred (in Dollars)	$ 1.3
Stock Exchange Ratio	1.2
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage	42.30%
Majority Shareholder [Member]
Subsequent Event - Merger (Details) [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage	57.70%