Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2018	Dec. 31, 2017
Shareholders’ equity
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	70,896,795	70,896,795
Common stock, shares outstanding (in shares)	70,896,795	70,896,795
MGP Operating Partnership
Partners' capital
Partners' capital, units issued (in shares)	266,030,918	266,030,918
Partners' capital, units outstanding (in shares)	266,030,918	266,030,918