Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
REVENUE:
Total rental income		$ 92,070	$ 76,831
Other property income		4,673	8,488
Total revenue		96,743	85,319
EXPENSES:
Rental expenses		22,568	20,796
Real estate taxes		11,045	9,046
General and administrative		6,820	6,073
Depreciation and amortization		27,462	20,583
Total operating expenses		67,895	56,498
OPERATING INCOME		28,848	28,821
Interest expense		(13,472)	(13,349)
Other income (expense), net		108	(229)
NET INCOME		15,484	15,243
Net income attributable to restricted shares		(104)	(93)
Net income attributable to unitholders in the Operating Partnership		(3,312)	(4,055)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 12,068	$ 11,095
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.20	$ 0.24
Weighted average shares of common stock outstanding-basic (in shares)		59,723,072	47,004,465
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.20	$ 0.24
Weighted average shares of common stock outstanding-diluted (in shares)		76,113,620	64,182,073
Dividends declared per common share (in USD per share)		$ 0.30	$ 0.28
COMPREHENSIVE INCOME
Net income		$ 15,484	$ 15,243
Reclassification of amortization of forward-starting swap included in interest expense		333	320
Comprehensive income		9,036	12,791
Comprehensive income attributable to non-controlling interests		(1,941)	(3,398)
Comprehensive income attributable to American Assets Trust, Inc.		7,095	9,393
American Assets Trust, L.P.
REVENUE:
Total rental income		92,070	76,831
Other property income		4,673	8,488
Total revenue		96,743	85,319
EXPENSES:
Rental expenses		22,568	20,796
Real estate taxes		11,045	9,046
General and administrative		6,820	6,073
Depreciation and amortization		27,462	20,583
Total operating expenses		67,895	56,498
OPERATING INCOME		28,848	28,821
Interest expense		(13,472)	(13,349)
Other income (expense), net		108	(229)
NET INCOME		15,484	15,243
Net income attributable to restricted shares		(104)	(93)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 15,380	$ 15,150
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.20	$ 0.24
Weighted average shares of common stock outstanding-basic (in shares)		76,113,620	64,182,073
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.20	$ 0.24
Weighted average shares of common stock outstanding-diluted (in shares)		76,113,620	64,182,073
Distributions per unit (in USD per share)		$ 0.30	$ 0.28
COMPREHENSIVE INCOME
Net income		$ 15,484	$ 15,243
Reclassification of amortization of forward-starting swap included in interest expense		333	320
Comprehensive income		9,036	12,791
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[1]	3,312	4,055
COMPREHENSIVE INCOME
Net income	[1]	3,312	4,055
Comprehensive income attributable to American Assets Trust, Inc.		(1,941)	(3,398)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[2]	12,172	11,188
COMPREHENSIVE INCOME
Net income	[2]	12,172	11,188
Comprehensive income attributable to American Assets Trust, Inc.		7,095	9,393
Interest Rate Swap
COMPREHENSIVE INCOME
Other comprehensive loss - change in value of interest rate swaps		(6,115)	(2,132)
Interest Rate Swap | American Assets Trust, L.P.
COMPREHENSIVE INCOME
Other comprehensive loss - change in value of interest rate swaps		$ (6,115)	$ (2,132)

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

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