Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
REVENUES:
Rental income	$ 104,939	$ 90,828	$ 308,931	$ 253,599
Tenant reimbursements	9,656	8,022	28,503	21,867
Other property income (Note 10)	1,102	135	7,062	961
Total revenues	115,697	98,985	344,496	276,427
EXPENSES:
Property expenses	25,123	21,016	71,728	55,531
Real estate taxes	10,295	8,746	29,707	23,668
Provision for bad debts	124	0	219	2
Ground leases	929	859	2,665	2,276
General and administrative expenses	10,226	8,727	29,750	26,745
Acquisition-related expenses	568	556	1,387	3,897
Depreciation and amortization	47,569	41,724	141,814	109,780
Total expenses	94,834	81,628	277,270	221,899
OTHER (EXPENSES) INCOME:
Interest income and other net investment gains (Note 11)	673	330	1,084	703
Interest expense (Note 5)	(18,853)	(19,854)	(58,021)	(60,172)
Total other (expenses) income	(18,180)	(19,524)	(56,937)	(59,469)
INCOME (LOSS) FROM CONTINUING OPERATIONS	2,683	(2,167)	10,289	(4,941)
DISCONTINUED OPERATIONS (NOTE 12)
Income from discontinued operations (Note 10)	6,344	4,689	10,806	15,603
Net gain on dispositions of discontinued operations	0	0	423	72,809
Total income from discontinued operations	6,344	4,689	11,229	88,412
NET INCOME	9,027	2,522	21,518	83,471
Net (income) loss attributable to noncontrolling common units of the Operating Partnership	(131)	67	(266)	(1,708)
NET INCOME ATTRIBUTABLE TO KILROY REALTY CORPORATION	8,896	2,589	21,252	81,763
PREFERRED DISTRIBUTIONS AND DIVIDENDS:
Distributions to noncontrolling cumulative redeemable preferred units of the Operating Partnership	0	(747)	0	(3,541)
Preferred dividends	(3,312)	(2,533)	(9,938)	(7,254)
Original issuance costs of redeemed preferred stock and preferred units	0	(2,062)	0	(6,980)
Total preferred distributions and dividends	(3,312)	(5,342)	(9,938)	(17,775)
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS	$ 5,584	$ (2,753)	$ 11,314	$ 63,988
Loss from continuing operations available to common stockholders per common share - basic (Note 13)	$ (0.01)	$ (0.10)	$ (0.01)	$ (0.34)
Loss from continuing operations available to common stockholders per common share - diluted (Note 13)	$ (0.01)	$ (0.10)	$ (0.01)	$ (0.34)
Net income (loss) available to common stockholders per share - basic (Note 13)	$ 0.07	$ (0.04)	$ 0.13	$ 0.92
Net income (loss) available to common stockholders per share - diluted (Note 13)	$ 0.07	$ (0.04)	$ 0.13	$ 0.92
Weighted average common shares outstanding - basic (Note 13)	76,768,893	71,889,475	75,750,822	67,975,309
Weighted average common shares outstanding - diluted (Note 13)	76,768,893	71,889,475	75,750,822	67,975,309
Dividends declared per common share	$ 0.35	$ 0.35	$ 1.05	$ 1.05