Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
REVENUE:
Rental income		$ 76,201	$ 70,040
Other property income		4,531	3,752
Total revenue		80,732	73,792
EXPENSES:
Rental expenses		20,420	19,859
Real estate taxes		8,546	7,536
General and administrative		5,567	5,082
Depreciation and amortization		33,279	17,986
Total operating expenses		67,812	50,463
OPERATING INCOME		12,920	23,329
Interest expense		(13,820)	(13,331)
Other income, net		209	310
NET (LOSS) INCOME		(691)	10,308
Net loss (income) attributable to restricted shares		72	(60)
Net loss (income) attributable to unitholders in the Operating Partnership		166	(2,861)
NET (LOSS) INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ (453)	$ 7,387
(LOSS) EARNINGS PER COMMON SHARE
(Loss) earnings per common share, basic (in USD per share)		$ (0.01)	$ 0.16
Weighted average shares of common stock outstanding-basic (in shares)		46,935,820	46,173,788
EARNINGS PER COMMON SHARE, DILUTED
(Loss) earnings per common share, diluted (in USD per share)		$ (0.01)	$ 0.16
Weighted average shares of common stock outstanding-diluted (in shares)		46,935,820	64,062,610
Dividends declared per common share (in USD per share)		$ 0.27	$ 0.26
COMPREHENSIVE (LOSS) INCOME
Other comprehensive income (loss) - unrealized income (loss) on swap derivative during the period		$ 2,861	$ (996)
Reclassification of amortization of forward-starting swap included in interest expense		(320)	(145)
Comprehensive income		1,850	9,167
Comprehensive income attributable to non-controlling interest		502	2,484
Comprehensive income attributable to American Assets Trust, Inc.		1,348	6,683
American Assets Trust, L.P.
REVENUE:
Rental income		76,201	70,040
Other property income		4,531	3,752
Total revenue		80,732	73,792
EXPENSES:
Rental expenses		20,420	19,859
Real estate taxes		8,546	7,536
General and administrative		5,567	5,082
Depreciation and amortization		33,279	17,986
Total operating expenses		67,812	50,463
OPERATING INCOME		12,920	23,329
Interest expense		(13,820)	(13,331)
Other income, net		209	310
NET (LOSS) INCOME		(691)	10,308
Net loss (income) attributable to restricted shares		72	(60)
NET (LOSS) INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ (619)	$ 10,248
(LOSS) EARNINGS PER COMMON SHARE
(Loss) earnings per common share, basic (in USD per share)		$ (0.01)	$ 0.16
Weighted average shares of common stock outstanding-basic (in shares)		64,130,800	64,062,610
EARNINGS PER COMMON SHARE, DILUTED
Weighted average shares of common stock outstanding-diluted (in shares)		64,130,800	64,062,610
Distributions per unit (in USD per share)		$ 0.27	$ 0.26
COMPREHENSIVE (LOSS) INCOME
Other comprehensive income (loss) - unrealized income (loss) on swap derivative during the period		$ 2,861	$ (996)
Reclassification of amortization of forward-starting swap included in interest expense		(320)	(145)
Comprehensive income		1,850	9,167
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET (LOSS) INCOME	[1]	(166)
COMPREHENSIVE (LOSS) INCOME
Comprehensive income attributable to American Assets Trust, Inc.		(502)	(2,484)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET (LOSS) INCOME	[2]	(525)
COMPREHENSIVE (LOSS) INCOME
Comprehensive income attributable to American Assets Trust, Inc.		$ 1,348	$ 6,683

[1] Consists of limited partnership interests held by third parties.

[2] Consists of general partnership interests held by American Assets Trust, Inc.