Summary of Significant Accounting Policies (Details)	12 Months Ended
Dec. 31, 2016 ReportingUnit
Accounting Policies [Abstract]
Total number of the Company's reporting units	5
Number of reporting units which have goodwill associated with them	3

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reporting Unit
-URI http://asc.fasb.org/extlink&oid=6523643

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration