Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net income	$ 33,229	$ 42,689
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent revenue and amortization of lease intangibles	(2,297)	(4,206)
Depreciation and amortization	53,159	46,154
Amortization of debt issuance costs and debt fair value adjustments	3,354	3,160
Gain on sale of real estate	0	(7,121)
Stock-based compensation expense	1,855	2,137
Other noncash interest expense	(173)	(173)
Other, net	1,168	(1,074)
Changes in operating assets and liabilities
Change in restricted cash	1,177	(1,253)
Change in accounts receivable	(1,564)	(1,597)
Change in other assets	(23)	(460)
Change in accounts payable and accrued expenses	10,983	11,191
Change in security deposits payable	142	318
Change in other liabilities and deferred credits	1,717	278
Net cash provided by operating activities	102,727	90,043
INVESTING ACTIVITIES
Capital expenditures	(45,583)	(115,156)
Proceeds from sale of real estate, net of selling costs	0	12,259
Change in restricted cash	200	(12,961)
Leasing commissions	(1,808)	(3,242)
Net cash used in investing activities	(47,191)	(119,100)
FINANCING ACTIVITIES
Repayment of secured notes payable	(113,512)	(235,546)
Proceeds from unsecured term loan	150,000	0
Proceeds from unsecured line of credit	10,000	60,000
Repayment of unsecured line of credit	(40,000)	(35,000)
Proceeds from issuance of unsecured notes payable	0	200,000
Debt issuance costs	(2,107)	(2,274)
Proceeds from issuance of common stock, net	9,665	72,836
Dividends paid to common stock and unitholders	(47,536)	(43,585)
Shares withheld for employee taxes	(12)	(6,573)
Net cash (used in) provided by financing activities	(33,502)	9,858
Net increase (decrease) in cash and cash equivalents	22,034	(19,199)
Cash and cash equivalents, beginning of period	39,925	59,357
Cash and cash equivalents, end of period	61,959	40,158
American Assets Trust, L.P.
OPERATING ACTIVITIES
Net income	33,229	42,689
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent revenue and amortization of lease intangibles	(2,297)	(4,206)
Depreciation and amortization	53,159	46,154
Amortization of debt issuance costs and debt fair value adjustments	3,354	3,160
Gain on sale of real estate	0	(7,121)
Stock-based compensation expense	1,855	2,137
Other noncash interest expense	(173)	(173)
Other, net	1,168	(1,074)
Changes in operating assets and liabilities
Change in restricted cash	1,177	(1,253)
Change in accounts receivable	(1,564)	(1,597)
Change in other assets	(23)	(460)
Change in accounts payable and accrued expenses	10,983	11,191
Change in security deposits payable	142	318
Change in other liabilities and deferred credits	1,717	278
Net cash provided by operating activities	102,727	90,043
INVESTING ACTIVITIES
Capital expenditures	(45,583)	(115,156)
Proceeds from sale of real estate, net of selling costs	0	12,259
Change in restricted cash	200	(12,961)
Leasing commissions	(1,808)	(3,242)
Net cash used in investing activities	(47,191)	(119,100)
FINANCING ACTIVITIES
Repayment of secured notes payable	(113,512)	(235,546)
Proceeds from unsecured term loan	150,000	0
Proceeds from unsecured line of credit	10,000	60,000
Repayment of unsecured line of credit	(40,000)	(35,000)
Proceeds from issuance of unsecured notes payable	0	200,000
Debt issuance costs	(2,107)	(2,274)
Contributions from American Assets Trust, Inc.	9,665	72,836
Dividends paid to common stock and unitholders	(47,536)	(43,585)
Shares withheld for employee taxes	(12)	(6,573)
Net cash (used in) provided by financing activities	(33,502)	9,858
Net increase (decrease) in cash and cash equivalents	22,034	(19,199)
Cash and cash equivalents, beginning of period	39,925	59,357
Cash and cash equivalents, end of period	$ 61,959	$ 40,158