DEBT - Leverage Ratio (Details) - Line of Credit - Galleria Revolving Credit Facility and Galleria Term Loan A	9 Months Ended
	Mar. 31, 2017
Greater than or equal to 5.00:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.00%
Greater than or equal to 5.00:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Less than 5.00:1 but greater than or equal to 4.00:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.75%
Less than 5.00:1 but greater than or equal to 4.00:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.75%
Less than 4.00:1 but greater than or equal to 2.75:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.50%
Less than 4.00:1 but greater than or equal to 2.75:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.50%
Less than 2.75:1 but greater than or equal to 2.00:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.25%
Less than 2.75:1 but greater than or equal to 2.00:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.25%
Less than 2.00:1 but greater than or equal to 1.50:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.125%
Less than 2.00:1 but greater than or equal to 1.50:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.125%
Less than 1.50:1 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Less than 1.50:1 | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.00%