Consolidated Statements of Operations (KILROY REALTY, L.P.) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
REVENUES:
Rental income	$ 130,932		$ 110,098
Tenant reimbursements	14,425		11,519
Other property income	725		2,141
Total revenues	146,082		123,758
EXPENSES
Property expenses	24,714		24,483
Real estate taxes	12,715		10,989
Provision for bad debts	242		0
Ground leases	776		762
General and administrative expenses	12,768		10,811
Acquisition-related expenses	128		228
Depreciation and amortization	51,487		48,536
Total expenses	102,830		95,809
OTHER (EXPENSES) INCOME:
Interest income and other net investment gains (Note 12)	360		177
Interest expense (Note 6)	(16,878)		(17,252)
Total other (expenses) income	(16,518)		(17,075)
INCOME FROM CONTINUING OPERATIONS	44,002		10,874
DISCONTINUED OPERATIONS (Note 1)
Income from discontinued operations	0		943
Gains on dispositions of discontinued operations	0		90,115
Total income from discontinued operations	0	[1]	91,058	[1]
NET INCOME	44,002		101,932
NET INCOME ATTRIBUTABLE TO KILROY REALTY, L.P.	43,187		99,845
NET INCOME AVAILABLE TO COMMON UNITHOLDERS	39,874		96,532
Income (loss) from continuing operations available to common unitholders per unit - basic (Note 15)	$ 0.45		$ 0.08
Income (loss) from continuing operations available to common unitholders per unit - diluted (Note 15)	$ 0.45		$ 0.08
Net income available to common unitholders per unit-basic (Note 14)	$ 0.45		$ 1.17
Net income available to common unitholders per unit-diluted (Note 14)	$ 0.45		$ 1.14
Weighted average common units outstanding - basic (Note 14)	86,896,776		82,124,538
Weighted average common units outstanding - diluted (Note 14)	87,434,366		84,140,070
Kilroy Realty, L.P. [Member]
REVENUES:
Rental income	130,932		110,098
Tenant reimbursements	14,425		11,519
Other property income	725		2,141
Total revenues	146,082		123,758
EXPENSES
Property expenses	24,714		24,483
Real estate taxes	12,715		10,989
Provision for bad debts	242		0
Ground leases	776		762
General and administrative expenses	12,768		10,811
Acquisition-related expenses	128		228
Depreciation and amortization	51,487		48,536
Total expenses	102,830		95,809
OTHER (EXPENSES) INCOME:
Interest income and other net investment gains (Note 12)	360		177
Interest expense (Note 6)	(16,878)		(17,252)
Total other (expenses) income	(16,518)		(17,075)
INCOME FROM CONTINUING OPERATIONS BEFORE GAINS ON SALE OF REAL ESTATE	26,734		10,874
Gain on sale of land (Note 3)	17,268		0
INCOME FROM CONTINUING OPERATIONS	44,002		10,874
DISCONTINUED OPERATIONS (Note 1)
Income from discontinued operations	0		943
Gains on dispositions of discontinued operations	0		90,115
Total income from discontinued operations	0	[1]	91,058	[1]
NET INCOME	44,002		101,932
Net income attributable to noncontrolling interests in consolidated subsidiaries	(75)		(65)
NET INCOME ATTRIBUTABLE TO KILROY REALTY, L.P.	43,927		101,867
Preferred Distributions	(3,313)		(3,313)
NET INCOME AVAILABLE TO COMMON UNITHOLDERS	$ 40,614		$ 98,554
Income (loss) from continuing operations available to common unitholders per unit - basic (Note 15)	$ 0.45		$ 0.08
Income (loss) from continuing operations available to common unitholders per unit - diluted (Note 15)	$ 0.45		$ 0.08
Net income available to common unitholders per unit-basic (Note 14)	$ 0.45		$ 1.17
Net income available to common unitholders per unit-diluted (Note 14)	$ 0.45		$ 1.14
Weighted average common units outstanding - basic (Note 14)	88,693,306		83,928,993
Weighted average common units outstanding - diluted (Note 14)	89,230,896		85,944,525
Dividends declared per common unit	$ 0.35		$ 0.35

[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.