v3.3.1.900
Net Income Available to Common Unitholders Per Unit of the Operating Partnership (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2012
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Numerator:                        
Income from continuing operations $ 29,308 [1] $ 106,704 [1] $ 58,590 [1] $ 44,002 [1] $ 19,417 [1] $ 13,168 [1] $ 15,854 $ 10,874 [1] $ 14,935 $ 238,604 $ 59,313 $ 14,935
Income from continuing operations attributable to noncontrolling interests in consolidated subsidiaries                 (36) (4,523) (966)  
Preferred dividends and distributions $ (3,312) [1] $ (3,313) [1] $ (3,312) [1] $ (3,313) [1] (3,312) [1] (3,313) [1] (3,312) [1] (3,313) [1] (13,250) (13,250) (13,250)  
Allocation to participating securities (1) [2]                 (1,689) (1,634) (1,699)  
Numerator for basic and diluted income (loss) from continuing operations available to common unitholders                 (40) 219,197 43,398  
Income from discontinued operations (2)         $ 12,013 [1] $ 6,135 [1] $ 15,289 [1] $ 91,058 [1] 29,630 [3] 0 [3] 124,495 [3] $ 29,630 [4]
(Income) loss from discontinued operations attributable to noncontrolling interests in consolidated subsidiaries (2)                 (649) 0 (2,623)  
Numerator for basic and diluted net income available to common unitholders                 $ 28,941 $ 219,197 $ 165,270  
Denominator:                        
Basic weighted average vested shares outstanding                 77,343,853 89,854,096 83,090,235 77,343,853
Effect of dilutive securities – contingently issuable shares and stock options                 0 541,679 1,877,485  
Diluted weighted average vested units and common unit equivalents outstanding                 77,343,853 90,395,775 84,967,720 77,343,853
Basic earnings per unit:                        
Income (loss) from continuing operations available to common stockholders per share (dollars per share)                   $ 2.44 $ 0.52 $ 0.00
Income from discontinued operations per common unit (dollars per unit)                 $ 0.37 [3] 0.00 [4] 1.47 [3]  
Net income available to common unitholders per unit (dollars per unit) $ 0.27 [1] $ 1.10 [1] $ 0.61 [1] $ 0.45 [1] $ 0.32 [1] $ 0.18 [1] $ 0.33 [1] $ 1.17 [1] 0.37 2.44 1.99 0.37
Diluted earnings per unit:                        
Income (loss) from continuing operations available to common unitholders per unit (dollars per unit)                   2.42 0.51 0.00
Income from discontinued operations per common unit (dollars per unit)                 0.37 [4] 0.00 [4] 1.44 [3]  
Net income available to common unitholders per unit (dollars per unit) $ 0.27 [1] $ 1.09 [1] $ 0.61 [1] $ 0.45 [1] $ 0.32 [1] $ 0.18 [1] $ 0.32 [1] $ 1.14 [1] $ 0.37 $ 2.42 $ 1.95 $ 0.37
Kilroy Realty, L.P. [Member]                        
Numerator:                        
Income from continuing operations $ 29,308 [5] $ 106,704 [5] $ 58,590 [5] $ 44,002 [5] $ 19,417 [5] $ 13,168 [5] $ 15,854 $ 10,874 [5]   $ 238,604 $ 59,313 $ 14,935
Income from continuing operations attributable to noncontrolling interests in consolidated subsidiaries                   (467) (247) (225)
Preferred dividends and distributions $ (3,312) [5] $ (3,313) [5] $ (3,312) [5] $ (3,313) [5] (3,312) [5] (3,313) [5] (3,312) [5] (3,313) [5]   (13,250) (13,250) (13,250)
Allocation to participating securities (1) [6]                   (1,634) (1,699) (1,689)
Numerator for basic and diluted income (loss) from continuing operations available to common unitholders                   223,253 44,117 (229)
Income from discontinued operations (2)         $ 12,013 [5] $ 6,135 [5] $ 15,289 [5] $ 91,058 [5]   0 [4] 124,495 [4] 29,630
(Income) loss from discontinued operations attributable to noncontrolling interests in consolidated subsidiaries (2)                   0 (13) 1
Numerator for basic and diluted net income available to common unitholders                   $ 223,253 $ 168,599 $ 29,402
Denominator:                        
Basic weighted average vested shares outstanding                   91,645,578 84,894,498 79,166,260
Effect of dilutive securities – contingently issuable shares and stock options                   541,679 1,877,485 0
Diluted weighted average vested units and common unit equivalents outstanding                   92,187,257 86,771,983 79,166,260
Basic earnings per unit:                        
Income (loss) from continuing operations available to common stockholders per share (dollars per share)                   $ 2.44 $ 0.52 $ 0.00
Income from discontinued operations per common unit (dollars per unit)                   0.00 [4] 1.47 [7] 0.37 [4]
Net income available to common unitholders per unit (dollars per unit) $ 0.27 [5] $ 1.10 [5] $ 0.61 [5] $ 0.45 [5] $ 0.32 [5] $ 0.18 [5] $ 0.33 [5] $ 1.17 [5]   2.44 1.99 0.37
Diluted earnings per unit:                        
Income (loss) from continuing operations available to common unitholders per unit (dollars per unit)                   2.42 0.51 0.00
Income from discontinued operations per common unit (dollars per unit) [4]                   0.00 1.43 0.37
Net income available to common unitholders per unit (dollars per unit) $ 0.27 [5] $ 1.09 [5] $ 0.61 [5] $ 0.45 [5] $ 0.31 [5] $ 0.18 [5] $ 0.32 [5] $ 1.14 [5]   $ 2.42 $ 1.94 $ 0.37
[1] The summation of the quarterly financial data may not equal the annual number reported on the consolidated statements of operations due to rounding. The summation of the quarterly net income (loss) available to common stockholders per share does not equal the annual number reported on the consolidated statements of operations due to the Company's public offerings of common stock and its at-the-market stock offering programs that occurred during the years ended December 31, 2015 and 2014.
[2] Participating securities include nonvested shares, certain time-based RSUs and vested market measure-based RSUs.
[3] (2)The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information). 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.
[4] The Operating Partnership adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information). 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.
[5] The summation of the quarterly financial data may not equal the annual number reported on the consolidated statements of operations due to rounding. The summation of the quarterly net income (loss) available to common unitholders per unit does not equal the annual number reported on the consolidated statements of operations due to the impact of the Company's public offerings of common stock and its at-the-market stock offering programs that occurred during the years ended December 31, 2015 and 2014.
[6] Participating securities include nonvested shares, certain time-based RSUs and vested market measure-based RSUs.
[7] Capital gains are comprised entirely of 20% rate gains.