EQUITY OF AMERICAN ASSETS TRUST, INC. - Dividends Declare and Paid on Shares on Common Stock and Noncontrolling Common Units (Details) - $ / shares	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2016
Equity [Abstract]
Dividends period	Second Quarter 2016	First Quarter 2016
Amount per Share/Unit (in USD per unit)	$ 0.25	$ 0.25
Date dividend to be paid	Jun. 24, 2016	Mar. 25, 2016