Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits	$ 0		$ 0		$ 0
Income Tax (Textual) [Abstract]
Effective tax rate	37.20%	55.90%	37.40%	44.90%
U.S. federal statutory corporate tax rate	35.00%