XML 96 R74.htm IDEA: XBRL DOCUMENT v3.22.0.1
Secured and Unsecured Debt of the Operating Partnership - Unsecured Senior Notes (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Oct. 31, 2021
Dec. 31, 2020
Aug. 31, 2020
Apr. 30, 2020
Debt Instrument [Line Items]          
Unsecured debt, net $ 3,820,383   $ 3,670,099    
2.650% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 2.65% 2.65%      
Effective interest rate 2.654%        
Long-term debt, gross $ 450,000 $ 450,000 0    
Unamortized discount and deferred financing costs (4,117)   0    
Unsecured debt, net 445,883   0    
Unsecured debt          
Debt Instrument [Line Items]          
Unamortized discount (premium), net (7,400)   (8,300)    
Unamortized debt issuance expense 22,200   21,600    
Kilroy Realty L.P.          
Debt Instrument [Line Items]          
Long-term debt, gross 4,099,023        
Unsecured debt, net 3,820,383   3,670,099    
Kilroy Realty L.P. | Unsecured debt          
Debt Instrument [Line Items]          
Unsecured debt, net $ 3,820,383   3,670,099    
Kilroy Realty L.P. | Unsecured debt | 2.500% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Unamortized discount (premium), net   $ (200)   $ (2,700)  
Stated interest rate       2.50%  
Effective interest rate 2.56%        
Long-term debt, gross $ 425,000   425,000    
Unamortized discount and deferred financing costs (5,802)   (6,332)    
Unsecured debt, net $ 419,198   418,668    
Kilroy Realty L.P. | Unsecured debt | 4.270% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.27%       4.27%
Effective interest rate 4.27%        
Long-term debt, gross $ 350,000   350,000    
Unamortized discount and deferred financing costs (1,644)   (1,825)    
Unsecured debt, net $ 348,356   348,175    
Kilroy Realty L.P. | Unsecured debt | 3.050% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 3.05%        
Effective interest rate 3.064%        
Long-term debt, gross $ 500,000   500,000    
Unamortized discount and deferred financing costs (4,814)   (5,399)    
Unsecured debt, net $ 495,186   494,601    
Kilroy Realty L.P. | Unsecured debt | 4.750% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.75%        
Effective interest rate 4.80%        
Long-term debt, gross $ 400,000   400,000    
Unamortized discount and deferred financing costs (3,457)   (3,952)    
Unsecured debt, net $ 396,543   396,048    
Kilroy Realty L.P. | Unsecured debt | 4.350% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.35%        
Effective interest rate 4.35%        
Long-term debt, gross $ 200,000   200,000    
Unamortized discount and deferred financing costs (837)   (1,012)    
Unsecured debt, net $ 199,163   198,988    
Kilroy Realty L.P. | Unsecured debt | 4.300% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.30%        
Effective interest rate 4.30%        
Long-term debt, gross $ 50,000   50,000    
Unamortized discount and deferred financing costs (202)   (246)    
Unsecured debt, net $ 49,798   49,754    
Kilroy Realty L.P. | Unsecured debt | 3.450% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 3.45%        
Effective interest rate 3.47%        
Long-term debt, gross $ 425,000   425,000    
Unamortized discount and deferred financing costs (1,734)   (2,321)    
Unsecured debt, net $ 423,266   422,679    
Kilroy Realty L.P. | Unsecured debt | 3.450% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 3.45%        
Effective interest rate 3.45%        
Long-term debt, gross $ 75,000   75,000    
Unamortized discount and deferred financing costs (304)   (347)    
Unsecured debt, net $ 74,696   74,653    
Kilroy Realty L.P. | Unsecured debt | 3.350% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 3.35%        
Effective interest rate 3.35%        
Long-term debt, gross $ 175,000   175,000    
Unamortized discount and deferred financing costs (594)   (709)    
Unsecured debt, net $ 174,406   174,291    
Kilroy Realty L.P. | Unsecured debt | 4.375% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.375%        
Effective interest rate 4.444%        
Long-term debt, gross $ 400,000   400,000    
Unamortized discount and deferred financing costs (2,077)   (2,631)    
Unsecured debt, net $ 397,923   397,369    
Kilroy Realty L.P. | Unsecured debt | 4.250% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 4.25%        
Effective interest rate 4.35%        
Long-term debt, gross $ 400,000   400,000    
Unamortized discount and deferred financing costs (4,035)   (4,567)    
Unsecured debt, net $ 395,965   395,433    
Kilroy Realty L.P. | Unsecured debt | 3.800% Unsecured Senior Notes          
Debt Instrument [Line Items]          
Stated interest rate 3.80% 3.80%      
Effective interest rate 3.80%        
Long-term debt, gross $ 0 $ 300,000 300,000    
Unamortized discount and deferred financing costs 0   (560)    
Unsecured debt, net $ 0   $ 299,440