Consolidated Statements of Operations (KILROY REALTY, L.P.) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
REVENUES:
Rental income		$ 129,510		$ 115,221		$ 391,892	$ 338,911
Tenant reimbursements		11,681		11,346		40,280	33,399
Other property income		362		2,457		1,690	7,650
Total revenues		141,553		129,024		433,862	379,960
EXPENSES
Property expenses		26,684		25,801		78,264	75,448
Real estate taxes		12,087		11,008		37,232	32,728
Provision for bad debts		0		58		289	58
Ground leases		862		771		2,451	2,306
General and administrative expenses		10,799		11,138		36,200	33,806
Acquisition-related expenses		4		431		397	1,268
Depreciation and amortization		49,422		50,032		152,567	148,647
Total expenses		99,858		99,239		307,400	294,261
OTHER (EXPENSES) INCOME:
Interest income and other net investment gain (Note 12)		(694)		(9)		177	587
Interest expense (Note 6)		(12,819)		(16,608)		(44,561)	(49,880)
Total other (expenses) income		(13,513)		(16,617)		(44,384)	(49,293)
Gain on sale of land (Note 3)		0		0		17,268	3,490
Gain (Loss) on Disposition of Property Plant Equipment		78,522		0		109,950	0
INCOME FROM CONTINUING OPERATIONS		106,704		13,168		209,296	39,896
DISCONTINUED OPERATIONS (Note 1)
Income from discontinued operations		0		548		0	2,091
Gains on dispositions of discontinued operations		0		5,587		0	110,391
Total income from discontinued operations	[1]	0		6,135		0	112,482
NET INCOME		106,704		19,303		209,296	152,378
NET INCOME		104,759		18,982		205,446	149,367
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS		$ 101,446		$ 15,669		$ 195,508	$ 139,429
Income (loss) from continuing operations available to common unitholders per unit - basic (Note 14)		$ 1.10		$ 0.11		$ 2.18	$ 0.34
Income (loss) from continuing operations available to common unitholders per unit - diluted (Note 15)		1.09		0.11		2.17	0.33
Net income available to common unitholders per unit-basic (Note 14)		1.10		0.18		2.18	1.67
Net income available to common unitholders per unit-diluted (Note 14)		$ 1.09		$ 0.18		$ 2.17	$ 1.63
Weighted average common units outstanding - basic (Note 14)		92,150,341		83,161,323		89,077,012	82,525,033
Weighted average common units outstanding - diluted (Note 14)		92,639,065		85,110,456		89,593,261	84,622,622
Kilroy Realty, L.P. [Member]
REVENUES:
Rental income		$ 129,510		$ 115,221		$ 391,892	$ 338,911
Tenant reimbursements		11,681		11,346		40,280	33,399
Other property income		362		2,457		1,690	7,650
Total revenues		141,553		129,024		433,862	379,960
EXPENSES
Property expenses		26,684		25,801		78,264	75,448
Real estate taxes		12,087		11,008		37,232	32,728
Provision for bad debts		0		58		289	58
Ground leases		862		771		2,451	2,306
General and administrative expenses		10,799		11,138		36,200	33,806
Acquisition-related expenses		4		431		397	1,268
Depreciation and amortization		49,422		50,032		152,567	148,647
Total expenses		99,858		99,239		307,400	294,261
OTHER (EXPENSES) INCOME:
Interest income and other net investment gain (Note 12)		(694)		(9)		177	587
Interest expense (Note 6)		(12,819)		(16,608)		(44,561)	(49,880)
Total other (expenses) income		(13,513)		(16,617)		(44,384)	(49,293)
INCOME FROM CONTINUING OPERATIONS BEFORE GAINS ON SALES OF REAL ESTATE		28,182		13,168		82,078	36,406
Gain on sale of land (Note 3)		0		0		17,268	3,490
Gain (Loss) on Disposition of Property Plant Equipment		78,522		0		109,950	0
INCOME FROM CONTINUING OPERATIONS		106,704		13,168		209,296	39,896
DISCONTINUED OPERATIONS (Note 1)
Income from discontinued operations		0		548		0	2,091
Gains on dispositions of discontinued operations		0		5,587		0	110,391
Total income from discontinued operations		0	[2]	6,135	[2]	0	112,482	[2]
NET INCOME		106,704		19,303		209,296	152,378
Net income attributable to noncontrolling interests in consolidated subsidiaries		(64)		(59)		(211)	(201)
NET INCOME		106,640		19,244		209,085	152,177
Preferred Distributions		(3,313)		(3,313)		(9,938)	(9,938)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS		$ 103,327		$ 15,931		$ 199,147	$ 142,239
Income (loss) from continuing operations available to common unitholders per unit - basic (Note 14)		$ 1.10		$ 0.11		$ 2.18	$ 0.34
Income (loss) from continuing operations available to common unitholders per unit - diluted (Note 15)		1.09		0.11		2.17	0.33
Net income available to common unitholders per unit-basic (Note 14)		1.10		0.18		2.18	1.67
Net income available to common unitholders per unit-diluted (Note 14)		$ 1.09		$ 0.18		$ 2.17	$ 1.63
Weighted average common units outstanding - basic (Note 14)		93,938,783		84,965,523		90,869,696	84,329,317
Weighted average common units outstanding - diluted (Note 14)		94,427,507		86,914,656		91,385,945	86,426,906
Dividends declared per common unit		$ 0.35		$ 0.35		$ 1.05	$ 1.05

[1] The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 1). As a result, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do not represent a strategic shift are no longer presented as discontinued operations.

[2] The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 1). As a result, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do not represent a strategic shift are no longer presented as discontinued operations.