v3.26.1
Pay vs Performance Disclosure
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Pay vs Performance Disclosure          
Pay vs Performance Disclosure, Table
Summary
Compensation
Table Total
for CEO		Compensation
Actually
Paid
to CEO		Average
Summary
Compensation
Table Total
for Non-CEO
NEOs		Average
Compensation
Actually
Paid to
Non-CEO
NEOs		Value of Initial Fixed $100
Investment Based On:		Net Income
(in thousands)		Core FFO
per Share (3)
YearCompany
Total
Stockholder
Return (1)		Peer Group
Total
Stockholder
Return (1) (2)
2025$5,124,352$3,478,940$1,835,882$1,367,041$90.72$75.73$162,650$3.40
2024$5,147,367$8,686,353$1,842,932$2,840,745$100.32$84.06$104,254$3.57
2023$4,702,879$3,043,369$1,702,484$1,240,696$70.13$74.89$151,330$3.75
2022$4,955,360$2,584,246$1,797,158$1,113,748$78.12$72.82$163,958$3.90
2021$4,082,600$4,686,212$1,536,521$1,741,687$117.61$118.90$323,310$3.77
        
Company Selected Measure Name Core FFO per Share        
Peer Group Issuers, Footnote For 2025, 2024, 2023 and 2022, our peer group consisted of Brandywine Realty Trust, City Office REIT, Inc., Corporate Office Properties Trust (now known as COPT Defense Properties), Cousins Properties Incorporated, Hudson Pacific Properties, Inc., Kilroy Realty Corporation and Piedmont Realty Trust, Inc. For 2021, our peer group consisted of Brandywine Realty Trust, Inc., Columbia Property Trust, Corporate Office Properties Trust (now known as COPT Defense Properties), Cousins Properties Incorporated, Hudson Pacific Properties, Inc., Kilroy Realty Corporation, Mack-Cali Realty Corporation (now known as Veris Residential, Inc.) and Piedmont Realty Trust, Inc. The returns of each REIT have been weighted based on each company's stock market capitalization as of December 31, 2020.        
PEO Total Compensation Amount $ 5,124,352 $ 5,147,367 $ 4,702,879 $ 4,955,360 $ 4,082,600
PEO Actually Paid Compensation Amount $ 3,478,940 8,686,353 3,043,369 2,584,246 4,686,212
Adjustment To PEO Compensation, Footnote
The following table reconciles the information set forth in the "Compensation Actually Paid" columns in the table above to the "Summary Compensation Table Total" columns:
YearSummary
Compensation
Table Total		(-)
Stock Awards
from Summary
Compensation
Table		(+)
Fair value as of
End of Year of
All Awards
Granted During
the Year That
Are Outstanding
and Unvested as
of the End of the
Year		(+/-)
Change as of the
End of the Year
(From the End
of the Prior
Year) in Fair
Value of
Any Awards
Granted in Any
Prior Year That
Are Outstanding
and Unvested as
of the End of the
Year		(+/-)
Change as of the
Vesting Date
(From the End
of the Prior
Year) in
Fair Value of
Any Awards
Granted in Any
Prior Year That
Were Scheduled
to Vest During
the Year 		Compensation
Actually Paid
Theodore J. Klinck2025$5,124,352($2,795,397)$2,490,894($1,239,121)($101,788)$3,478,940
2024$5,147,367($2,777,629)$3,830,912$1,843,627$642,076$8,686,353
2023$4,702,879($2,540,103)$1,963,228($1,033,502)($49,133)$3,043,369
2022$4,955,360($2,596,634)$1,671,087($1,404,870)($40,697)$2,584,246
2021$4,082,600($1,892,549)$2,224,453$273,871($2,163)$4,686,212
Non-CEO NEO Average2025$1,835,882($830,212)$743,884($352,378)($30,135)$1,367,041
2024$1,842,932($824,991)$1,127,241$522,093$173,470$2,840,745
2023$1,702,484($755,819)$597,632($289,007)($14,594)$1,240,696
2022$1,797,158($776,761)$499,876($390,020)($16,505)$1,113,748
2021$1,536,521($587,527)$685,882$107,871($1,060)$1,741,687
        
Non-PEO NEO Average Total Compensation Amount $ 1,835,882 1,842,932 1,702,484 1,797,158 1,536,521
Non-PEO NEO Average Compensation Actually Paid Amount $ 1,367,041 2,840,745 1,240,696 1,113,748 1,741,687
Adjustment to Non-PEO NEO Compensation Footnote
The following table reconciles the information set forth in the "Compensation Actually Paid" columns in the table above to the "Summary Compensation Table Total" columns:
YearSummary
Compensation
Table Total		(-)
Stock Awards
from Summary
Compensation
Table		(+)
Fair value as of
End of Year of
All Awards
Granted During
the Year That
Are Outstanding
and Unvested as
of the End of the
Year		(+/-)
Change as of the
End of the Year
(From the End
of the Prior
Year) in Fair
Value of
Any Awards
Granted in Any
Prior Year That
Are Outstanding
and Unvested as
of the End of the
Year		(+/-)
Change as of the
Vesting Date
(From the End
of the Prior
Year) in
Fair Value of
Any Awards
Granted in Any
Prior Year That
Were Scheduled
to Vest During
the Year 		Compensation
Actually Paid
Theodore J. Klinck2025$5,124,352($2,795,397)$2,490,894($1,239,121)($101,788)$3,478,940
2024$5,147,367($2,777,629)$3,830,912$1,843,627$642,076$8,686,353
2023$4,702,879($2,540,103)$1,963,228($1,033,502)($49,133)$3,043,369
2022$4,955,360($2,596,634)$1,671,087($1,404,870)($40,697)$2,584,246
2021$4,082,600($1,892,549)$2,224,453$273,871($2,163)$4,686,212
Non-CEO NEO Average2025$1,835,882($830,212)$743,884($352,378)($30,135)$1,367,041
2024$1,842,932($824,991)$1,127,241$522,093$173,470$2,840,745
2023$1,702,484($755,819)$597,632($289,007)($14,594)$1,240,696
2022$1,797,158($776,761)$499,876($390,020)($16,505)$1,113,748
2021$1,536,521($587,527)$685,882$107,871($1,060)$1,741,687
        
Compensation Actually Paid vs. Total Shareholder Return
Compensation vs Total Return.jpg
        
Compensation Actually Paid vs. Net Income Compensation vs Net Income.jpg        
Compensation Actually Paid vs. Company Selected Measure
Compensation vs Core FFO per Share 3.3.jpg
        
Tabular List, Table
The compensation and governance committee considers the following to be the most important financial performance measures used to link compensation actually paid to company performance during the last fiscal year:
•Our company’s absolute total stockholder return;
•Our company’s total stockholder return relative to the total return of our peer group;
•Core FFO per share;
•FFO per share (adjusted to exclude the dilutive or accretive impact of investment activity during the year);
•Net operating income; and
•Average occupancy.
        
Total Shareholder Return Amount $ 90.72 100.32 70.13 78.12 117.61
Peer Group Total Shareholder Return Amount 75.73 84.06 74.89 72.82 118.90
Net Income (Loss) $ 162,650,000 $ 104,254,000 $ 151,330,000 $ 163,958,000 $ 323,310,000
Company Selected Measure Amount 3.40 3.57 3.75 3.90 3.77
PEO Name Theodore J. Klinck        
Additional 402(v) Disclosure The total stockholder return information assumes an investment on December 31, 2020 and further assumes the reinvestment of dividends. Total stockholder return performance is not necessarily indicative of future results.        
Measure:: 1          
Pay vs Performance Disclosure          
Name absolute total stockholder return        
Non-GAAP Measure Description "Core FFO per Share" is defined as FFO per share excluding one-time items such as land sale gains, impairments and debt extinguishment charges.        
Measure:: 2          
Pay vs Performance Disclosure          
Name total stockholder return relative to the total return of our peer group        
Measure:: 3          
Pay vs Performance Disclosure          
Name Core FFO per share        
Measure:: 4          
Pay vs Performance Disclosure          
Name FFO per share (adjusted to exclude the dilutive or accretive impact of investment activity during the year)        
Measure:: 5          
Pay vs Performance Disclosure          
Name Net operating income        
Measure:: 6          
Pay vs Performance Disclosure          
Name Average occupancy        
PEO | Adjustment, Equity Awards Reported Value [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ (2,795,397) $ (2,777,629) $ (2,540,103) $ (2,596,634) $ (1,892,549)
PEO | Equity Awards Granted During the Year, Outstanding and Unvested [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 2,490,894 3,830,912 1,963,228 1,671,087 2,224,453
PEO | Equity Awards Granted During the Prior Year, Outstanding and Unvested [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (1,239,121) 1,843,627 (1,033,502) (1,404,870) 273,871
PEO | Equity Awards Granted During the Prior Year, Expected to Vest [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (101,788) 642,076 (49,133) (40,697) (2,163)
Non-PEO NEO | Adjustment, Equity Awards Reported Value [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (830,212) (824,991) (755,819) (776,761) (587,527)
Non-PEO NEO | Equity Awards Granted During the Year, Outstanding and Unvested [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 743,884 1,127,241 597,632 499,876 685,882
Non-PEO NEO | Equity Awards Granted During the Prior Year, Outstanding and Unvested [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (352,378) 522,093 (289,007) (390,020) 107,871
Non-PEO NEO | Equity Awards Granted During the Prior Year, Expected to Vest [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ (30,135) $ 173,470 $ (14,594) $ (16,505) $ (1,060)