Combined and Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Class A Shares
Common stock shares, par value	$ 0	$ 0
Common stock shares, authorized	1,000,000,000	100
Common stock shares, issued	57,500,000	100
Common stock shares, outstanding	57,500,000	100
MGP Operating Partnership
Operating Partnership, units issued	242,862,136
Operating Partnership, units authorized	242,862,136