Employee Benefit Plans (Details Textual)			8 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Employee Stock Purchase Plan [Member]	Dec. 31, 2012 Employee Stock Purchase Plan [Member]	May 31, 2012 Employee Stock Purchase Plan [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Common stock, shares authorized	25,000,000	25,000,000			100,000
Employee Stock Ownership (ESOP), Purchase Price Per Common Share, Percent of Fair Value				95.00%
Stock Issued During Period, Shares, Employee Stock Purchase Plans			0