Regulatory Matters (Details Textual) - OIG [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2015	Dec. 31, 2015
Regulatory Asset [Line Items]
Definitive settlement agreement payable	$ 13.5
Fees and accrued interest	$ 0.3
Litigation charge		$ 13.8
Litigation settlement amount		$ 13.8