Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUE:
Rental income	$ 67,471	$ 63,593	$ 193,776	$ 182,868
Other property income	3,818	3,750	10,317	10,654
Total revenue	71,289	67,343	204,093	193,522
EXPENSES:
Rental expenses	18,985	17,374	52,810	50,494
Real estate taxes	6,676	5,899	18,710	17,054
General and administrative	6,357	4,682	16,161	13,929
Depreciation and amortization	15,761	16,352	46,154	50,902
Total operating expenses	47,779	44,307	133,835	132,379
OPERATING INCOME	23,510	23,036	70,258	61,143
Interest expense	11,258	13,325	34,250	40,396
Gain on sale of real estate	7,121	0	7,121	0
Other income (expense), net	(347)	(621)	(440)	352
NET INCOME	19,026	9,090	42,689	21,099
Net income attributable to restricted shares	(32)	(95)	(115)	(259)
Net income attributable to unitholders in the Operating Partnership	(5,432)	(2,578)	(12,277)	(6,108)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS	$ 13,562	$ 6,417	$ 30,297	$ 14,732
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)	$ 0.30	$ 0.15	$ 0.69	$ 0.35
Weighted average shares of common stock outstanding-basic (in shares)	44,998,281	42,539,019	44,176,007	41,653,229
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)	$ 0.30	$ 0.15	$ 0.69	$ 0.35
Weighted average shares of common stock outstanding-diluted (in shares)	62,897,797	60,444,276	62,076,238	59,559,944
Dividends declared per common share (in USD per share)	$ 0.2325	$ 0.22	$ 0.6975	$ 0.66
COMPREHENSIVE INCOME
Other comprehensive income (loss) - unrealized gain (loss) on swap derivative during the period	$ (908)	$ 2,439	$ (1,394)	$ 882
Reclassification of amortization of forward-starting swap included in interest expense	(57)	0	(173)	0
Comprehensive income	18,061	11,529	41,122	21,981
Comprehensive income attributable to non-controlling interest	(5,155)	(3,300)	(11,829)	(6,366)
Comprehensive income attributable to American Assets Trust, Inc.	12,906	8,229	29,293	15,615
American Assets Trust, L.P.
REVENUE:
Rental income	67,471	63,593	193,776	182,868
Other property income	3,818	3,750	10,317	10,654
Total revenue	71,289	67,343	204,093	193,522
EXPENSES:
Rental expenses	18,985	17,374	52,810	50,494
Real estate taxes	6,676	5,899	18,710	17,054
General and administrative	6,357	4,682	16,161	13,929
Depreciation and amortization	15,761	16,352	46,154	50,902
Total operating expenses	47,779	44,307	133,835	132,379
OPERATING INCOME	23,510	23,036	70,258	61,143
Interest expense	11,258	13,325	34,250	40,396
Gain on sale of real estate	7,121	0	7,121	0
Other income (expense), net	(347)	(621)	(440)	352
NET INCOME	19,026	9,090	42,689	21,099
Net income attributable to restricted shares	(32)	(95)	(115)	(259)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS	$ 18,994	$ 8,995	$ 42,574	$ 20,840
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)	$ 0.30	$ 0.15	$ 0.69	$ 0.35
Weighted average shares of common stock outstanding-basic (in shares)	62,897,797	60,444,276	62,076,238	59,559,944
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)	$ 0.30	$ 0.15	$ 0.69	$ 0.35
Weighted average shares of common stock outstanding-diluted (in shares)	62,897,797	60,444,276	62,076,238	59,559,944
Distributions per unit (in USD per share)	$ 0.2325	$ 0.22	$ 0.6975	$ 0.66
COMPREHENSIVE INCOME
Other comprehensive income (loss) - unrealized gain (loss) on swap derivative during the period	$ (908)	$ 2,439	$ (1,394)	$ 882
Reclassification of amortization of forward-starting swap included in interest expense	(57)	0	(173)	0
Comprehensive income	18,061	11,529	41,122	21,981
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME			12,274
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.	(5,155)	(3,300)	(11,829)	(6,366)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME			30,415
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.	$ 12,906	$ 8,229	$ 29,293	$ 15,615