Regulatory Matters (Details Textual) - OIG [Member] - USD ($) $ in Millions	1 Months Ended	9 Months Ended
Jul. 31, 2015	Sep. 30, 2015
Regulatory Asset [Line Items]
Litigation charge		$ 13.8
Loss contingency, settlement agreement, consideration	$ 13.5
Fees and accrued interest	$ 0.3

Amount of cash outflow reducing loss contingency liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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