XML 59 R43.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Organization and Basis of Presentation - Additional Information (Details) - Segment | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of reportable segments | 4 | 4

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration