Preferred and Common Units of the Operating Partnership (Tables)

12 Months Ended

Dec. 31, 2016

Class of Stock [Line Items]

Schedule of common stock sales under the at-the-market offering

The following table sets forth information regarding sales of our common stock under our at-the-market offering programs for the years ended December 31, 2016, 2015 and 2014:

	Year Ended December 31,
	2016		2015		2014
	(in millions, except share data)
Shares of common stock sold during the period	451,398		1,866,267		1,599,123
Aggregate gross proceeds	$	32.3	$	140.1	$	104.7
Aggregate net proceeds after selling commissions	$	31.9	$	138.2	$	103.1

Redeemable noncontrolling interest

The following table sets forth the number of common units held by the Company and the number of common units held by non-affiliated investors and certain of our executive officers and directors in the form of noncontrolling common units as well as the ownership interest held on each respective date:

	December 31, 2016		December 31, 2015
Company owned common units in the Operating Partnership	93,219,439		92,258,690
Company owned general partnership interest	97.5	%	98.1	%
Noncontrolling common units of the Operating Partnership	2,381,543		1,764,775
Ownership interest of noncontrolling interest	2.5	%	1.9	%

Schedule of accrued dividends and distributions

The following tables summarize accrued dividends and distributions for the noted outstanding shares of common stock, preferred stock, and noncontrolling units as of December 31, 2016 and 2015:

	December 31,
	2016		2015
	(in thousands)
Dividends and Distributions payable to:
Common stockholders	$	212,074	$	32,291
Noncontrolling common unitholders of the Operating Partnership	5,418		618
RSU holders (1)	3,158		427
Total accrued dividends and distribution to common stockholders and noncontrolling unitholders	220,650		33,336
Preferred stockholders	1,656		1,656
Total accrued dividends and distributions	$	222,306	$	34,992

______________________

(1) The amount includes the value of the dividend equivalents that will be paid with additional RSUs (see Note 15 “Share-Based Compensation” for additional information)

Schedule of outstanding shares of common stock, preferred stock and noncontrolling units

	December 31,
	2016	2015
Outstanding Shares and Units:
Common stock (1)	93,219,439	92,258,690
Noncontrolling common units	2,381,543	1,764,775
RSUs (2)	1,395,189	1,269,809
Series G Preferred stock	4,000,000	4,000,000
Series H Preferred stock	4,000,000	4,000,000

______________________

(1) The amount includes nonvested shares.

(2) The amount includes nonvested RSUs. Does not include the 659,051 and 425,452 market measure-based RSUs because not all the necessary performance conditions have been met as of December 31, 2016 and2015, respectively.

Kilroy Realty, L.P. [Member]

Class of Stock [Line Items]

Schedule of common stock sales under the at-the-market offering

During the years ended December 31, 2016, 2015 and 2014, the Company utilized its at-the-market stock offering programs to issue shares of common stock (see Note 13 “Stockholders’ Equity of the Company” for additional information). The net offering proceeds and property acquired using net offering proceeds were contributed by the Company to the Operating Partnership in exchange for common units for the years ended December 31, 2016, 2015 and 2014 are as follows:

	Year Ended December 31,
	2016		2015		2014
	(in millions, except share and per share data)
Shares of common stock contributed by the Company	451,398		1,866,267		1,599,123
Common units exchanged for shares of common stock by the Company	451,398		1,866,267		1,599,123
Aggregate gross proceeds	$	32.3	$	140.1	$	104.7
Aggregate net proceeds after selling commissions	$	31.9	$	138.2	$	103.1

Schedule of accrued dividends and distributions

The following tables summarize accrued distributions for the noted common and preferred units as of December 31, 2016 and 2015:

	December 31, 2016		December 31, 2015
	(in thousands)
Distributions payable to:
General partner	$	212,074	$	32,291
Common limited partners	5,418		618
RSU holders (1)	3,158		427
Total accrued distributions to common unitholders	220,650		33,336
Preferred unitholders	1,656		1,656
Total accrued distributions	$	222,306	$	34,992

______________________

(1) The amount includes the value of the dividend equivalents that will be paid with additional RSUs (see Note 15 “Share-Based Compensation” for additional information).

Schedule of outstanding shares of common stock, preferred stock and noncontrolling units

	December 31, 2016	December 31, 2015
Outstanding Units:
Common units held by the general partner	93,219,439	92,258,690
Common units held by the limited partners	2,381,543	1,764,775
RSUs (1)	1,395,189	1,269,809
Series G Preferred units	4,000,000	4,000,000
Series H Preferred units	4,000,000	4,000,000

______________________

(1) Does not include the 659,051 and 425,452 market measure-based RSUs because not all the necessary performance conditions have been met as of December 31, 2016 and 2015, respectively.