Earnings Per Share (Details Textual)	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Jan. 24, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2012
Earnings Per Share (Textual) [Abstract]
Weighted average shares of non-vested restricted stock excluded from basic earnings per share	16,666	230,090	355,607	357,768	248,123