Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUE:
Rental income	$ 60,482	$ 59,222
Other property income	3,471	2,958
Total revenue	63,953	62,180
EXPENSES:
Rental expenses	16,620	16,286
Real estate taxes	6,026	4,800
General and administrative	4,612	4,201
Depreciation and amortization	16,341	17,013
Total operating expenses	43,599	42,300
OPERATING INCOME	20,354	19,880
Interest expense	(13,632)	(14,736)
Other income (expense), net	(64)	(279)
NET INCOME	6,658	4,865
Net income attributable to restricted shares	(70)	(132)
Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Redeemable	(1,986)	(1,495)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS	4,602	3,238
EARNINGS PER COMMON SHARE, BASIC
Earnings per common share, basic	$ 0.11	$ 0.08
Weighted average shares of common stock outstanding-basic	40,582,792	39,033,013
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted	$ 0.11	$ 0.08
Weighted average shares of common stock outstanding-diluted	58,492,473	57,056,448
Dividends declared per common share	$ 0.22	$ 0.21
COMPREHENSIVE INCOME
Net income	6,658	4,865
Other comprehensive loss - unrealized loss on swap derivative during the period	(746)	0
Comprehensive income	5,912	4,865
Comprehensive income attributable to non-controlling interest	(1,761)	(1,495)
Comprehensive income attributable to American Assets Trust, Inc.	$ 4,151	$ 3,370