EQUITY OF AMERICAN ASSETS TRUST, INC. - Summary of Activity of Restricted Stock Awards (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Nonvested, Number of Shares
Nonvested, Beginning, Shares | shares	487,397
Granted, Shares | shares	325,682
Vested, Shares | shares	(132,239)
Forfeited, Shares | shares	(106,796)
Nonvested, Ending, Shares | shares	574,044
Nonvested, Weighted Average Grant Date Fair Value
Nonvested, Beginning (in USD per Share) | $ / shares	$ 23.78
Granted (in USD per share) | $ / shares	19.28
Vested (in USD per share) | $ / shares	24.86
Forfeited (in USD per share) | $ / shares	23.78
Nonvested, End of Year, Weighted Average Grant Date Fair Value (in USD per Share) | $ / shares	$ 20.98