Percentage of voting equity interests acquired at the acquisition date in the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Business (Details) - segment	3 Months Ended	5 Months Ended	9 Months Ended
Business (Details) - segment	Dec. 31, 2016	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2013	Jan. 13, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments	3	3	2
AIA Purchase Agreement
Business Acquisition [Line Items]
Ownership percentage in subsidiary				94.00%	86.00%