Annual report pursuant to Section 13 and 15(d)

Business (Details)

v3.8.0.1
Business (Details) - segment
3 Months Ended 6 Months Ended 7 Months Ended 9 Months Ended
Mar. 31, 2017
Sep. 30, 2016
Dec. 31, 2017
Jun. 30, 2017
Jul. 26, 2016
Dec. 31, 2017
Dec. 31, 2013
Jan. 13, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]                
Number of reportable segments 3 2 2 3 2 2    
AIA Purchase Agreement                
Business Acquisition [Line Items]                
Ownership percentage in subsidiary             94.00% 86.00%