Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
REVENUE:
Rental income		$ 76,831	$ 76,201
Other property income		8,488	4,531
Total revenue		85,319	80,732
EXPENSES:
Rental expenses		20,796	20,420
Real estate taxes		9,046	8,546
General and administrative		6,073	5,567
Depreciation and amortization		20,583	33,279
Total operating expenses		56,498	67,812
OPERATING INCOME		28,821	12,920
Interest expense		(13,349)	(13,820)
Other (expense) income, net		(229)	209
NET INCOME (LOSS)		15,243	(691)
Net (income) loss attributable to restricted shares		(93)	72
Net (income) loss attributable to unitholders in the Operating Partnership		(4,055)	166
NET INCOME (LOSS) ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 11,095	$ (453)
EARNINGS (LOSS) PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.24	$ (0.01)
Weighted average shares of common stock outstanding-basic (in shares)		47,004,465	46,935,820
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.24	$ (0.01)
Weighted average shares of common stock outstanding-diluted (in shares)		64,182,073	46,935,820
Dividends declared per common share (in USD per share)		$ 0.28	$ 0.27
COMPREHENSIVE INCOME
Other comprehensive (loss) income - unrealized (loss) income on swap derivative during the period		$ (2,132)	$ 2,861
Reclassification of amortization of forward-starting swap included in interest expense		(320)	(320)
Comprehensive income		12,791	1,850
Comprehensive income attributable to non-controlling interest		(3,398)	(502)
Comprehensive income attributable to American Assets Trust, Inc.		9,393	1,348
American Assets Trust, L.P.
REVENUE:
Rental income		76,831	76,201
Other property income		8,488	4,531
Total revenue		85,319	80,732
EXPENSES:
Rental expenses		20,796	20,420
Real estate taxes		9,046	8,546
General and administrative		6,073	5,567
Depreciation and amortization		20,583	33,279
Total operating expenses		56,498	67,812
OPERATING INCOME		28,821	12,920
Interest expense		(13,349)	(13,820)
Other (expense) income, net		(229)	209
NET INCOME (LOSS)		15,243	(691)
Net (income) loss attributable to restricted shares		(93)	72
NET INCOME (LOSS) ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 15,150	$ (619)
EARNINGS (LOSS) PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.24	$ (0.01)
Weighted average shares of common stock outstanding-basic (in shares)		64,182,073	64,130,800
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.24	$ (0.01)
Weighted average shares of common stock outstanding-diluted (in shares)		64,182,073	64,130,800
Distributions per unit (in USD per share)		$ 0.28	$ 0.27
COMPREHENSIVE INCOME
Other comprehensive (loss) income - unrealized (loss) income on swap derivative during the period		$ (2,132)	$ 2,861
Reclassification of amortization of forward-starting swap included in interest expense		(320)	(320)
Comprehensive income		12,791	1,850
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME (LOSS)	[1]	4,055	(166)
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		(3,398)	(502)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME (LOSS)	[2]	11,188	(525)
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		$ 9,393	$ 1,348

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

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