Basis of Presentation and Summary of Significant Accounting and Financial Reporting Policies - Revisions (Details) $ in Millions	6 Months Ended
Jun. 30, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Borrowings and repayments under certain credit facilities	$ 8.2

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Name:	us-gaap_ProceedsFromRepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration