Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES
Net income	$ 17,896	$ 21,371
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent revenue and amortization of lease intangibles	(1,397)	(1,787)
Depreciation and amortization	42,168	35,167
Amortization of debt issuance costs and debt fair value adjustments	2,180	2,238
Stock-based compensation expense	1,278	1,255
Settlement of forward-starting interest rate swaps agreement	10,667	0
Other noncash interest expense	(475)	(115)
Other, net	482	(828)
Changes in operating assets and liabilities
Change in restricted cash	909	1,841
Change in accounts receivable	2,674	228
Change in other assets	468	41
Change in accounts payable and accrued expenses	5,869	2,881
Change in security deposits payable	665	115
Change in other liabilities and deferred credits	496	1,142
Net cash provided by operating activities	83,880	63,549
INVESTING ACTIVITIES
Acquistion of real estate, net of cash acquired	(232,061)	0
Capital expenditures	(19,883)	(31,852)
Change in restricted cash	(1,570)	331
Leasing commissions	(2,094)	(1,386)
Deposit on property acquisition	(1,000)	0
Net cash used in investing activities	(256,608)	(32,907)
FINANCING ACTIVITIES
Change in restricted cash	1,400	0
Repayment of secured notes payable	(166,439)	(113,073)
Proceeds from unsecured term loan	0	150,000
Proceeds from unsecured line of credit	130,000	10,000
Repayment of unsecured line of credit	(150,000)	(40,000)
Proceeds from unsecured notes payable	350,000	0
Debt issuance costs	(2,281)	(1,943)
Proceeds from issuance of common stock, net	30,075	0
Dividends paid to common stock and unitholders	(33,448)	(31,653)
Shares withheld for employee taxes	0	(12)
Net cash provided by (used in) financing activities	159,307	(26,681)
Net increase in cash and cash equivalents	(13,421)	3,961
Cash and cash equivalents, beginning of period	44,801	39,925
Cash and cash equivalents, end of period	31,380	43,886
American Assets Trust, L.P.
OPERATING ACTIVITIES
Net income	17,896	21,371
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent revenue and amortization of lease intangibles	(1,397)	(1,787)
Depreciation and amortization	42,168	35,167
Amortization of debt issuance costs and debt fair value adjustments	2,180	2,238
Stock-based compensation expense	1,278	1,255
Settlement of forward-starting interest rate swaps agreement	10,667	0
Other noncash interest expense	(475)	(115)
Other, net	482	(828)
Changes in operating assets and liabilities
Change in restricted cash	909	1,841
Change in accounts receivable	2,674	228
Change in other assets	468	41
Change in accounts payable and accrued expenses	5,869	2,881
Change in security deposits payable	665	115
Change in other liabilities and deferred credits	496	1,142
Net cash provided by operating activities	83,880	63,549
INVESTING ACTIVITIES
Acquistion of real estate, net of cash acquired	(232,061)	0
Capital expenditures	(19,883)	(31,852)
Change in restricted cash	(1,570)	331
Leasing commissions	(2,094)	(1,386)
Deposit on property acquisition	(1,000)	0
Net cash used in investing activities	(256,608)	(32,907)
FINANCING ACTIVITIES
Change in restricted cash	1,400	0
Repayment of secured notes payable	(166,439)	(113,073)
Proceeds from unsecured term loan	0	150,000
Proceeds from unsecured line of credit	130,000	10,000
Repayment of unsecured line of credit	(150,000)	(40,000)
Proceeds from unsecured notes payable	350,000	0
Debt issuance costs	(2,281)	(1,943)
Contributions from American Assets Trust, Inc.	30,075	0
Dividends paid to common stock and unitholders	(33,448)	(31,653)
Shares withheld for employee taxes	0	(12)
Net cash provided by (used in) financing activities	159,307	(26,681)
Net increase in cash and cash equivalents	(13,421)	3,961
Cash and cash equivalents, beginning of period	44,801	39,925
Cash and cash equivalents, end of period	$ 31,380	$ 43,886