Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Class A Shares
Common stock shares, par value	$ 0	$ 0
Common stock shares, authorized	1,000,000,000	1,000,000,000
Common stock shares, issued	57,500,000	57,500,000
Common stock shares, outstanding	57,500,000	57,500,000
MGP Operating Partnership
Partners' capital, units issued	242,862,136	242,862,136
Partners' capital, units outstanding	242,862,136	242,862,136