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Debt Obligations (Tables) | 3 Months Ended
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Mar. 31, 2012
Debt Disclosure [Abstract] |
Consolidated debt obligations |
Property / Location | March 31, 2012 |  | December 31, 2011 |  | Effective Interest Rate |  |  |  | Maturity Date
Newtown Square/Berwyn Park/Libertyview | $ | 56,130 |  |  | $ | 56,538 |  |  | 7.25 | % |  |  |  | May-13
Southpoint III | 1,701 |  |  | 1,887 |  |  | 7.75 | % |  |  |  | Apr-14
Tysons Corner | 94,460 |  |  | 94,882 |  |  | 5.36 | % |  | (a) |  | Aug-15
Two Logan Square | 89,800 |  |  | 89,800 |  |  | 7.57 | % |  |  |  | Apr-16
Fairview Eleven Tower | 22,000 |  |  | 22,000 |  |  | 4.25 | % |  |  |  | Jan-17
IRS Philadelphia Campus | 201,488 |  |  | 202,905 |  |  | 7.00 | % |  |  |  | Sep-30
Cira South Garage | 43,871 |  |  | 44,379 |  |  | 7.12 | % |  |  |  | Sep-30
Principal balance outstanding | 509,450 |  |  | 512,391 |  |  |  |  |  |  |  |
Plus: fair market value premiums (discounts), net | (1,240 | ) |  | (1,330 | ) |  |  |  |  |  |  |
Total mortgage indebtedness | $ | 508,210 |  |  | $ | 511,061 |  |  |  |  |  |  |  |
UNSECURED DEBT: |  |  |  |  |  |  |  |  |  |
Former Term Loan | — |  |  | 37,500 |  |  | LIBOR + 0.80% |  |  | (b) |  | Feb-12
Former Revolving Credit Facility | — |  |  | 275,500 |  |  | LIBOR + 0.725% |  |  | (b) |  | Feb-12
New Revolving Credit Facility | — |  |  | — |  |  | LIBOR + 1.50% |  |  | (b) |  | Feb-16
Three-Year Term Loan - Swapped to fixed | 150,000 |  |  | — |  |  | 2.60 | % |  | (b) |  | Feb-15
Four-Year Term Loan - Swapped to fixed | 150,000 |  |  | — |  |  | 2.88 | % |  | (b) |  | Feb-16
Four-Year Term Loan - Variable | 100,000 |  |  | — |  |  | LIBOR + 1.75% |  |  | (b) |  | Feb-16
Seven-Year Term Loan - Swapped to fixed | 200,000 |  |  | — |  |  | 3.62 | % |  | (b) |  | Feb-19
$300.0M 5.750% Guaranteed Notes due 2012 | 151,190 |  |  | 151,491 |  |  | 5.73 | % |  |  |  | Apr-12
$250.0M 5.400% Guaranteed Notes due 2014 | 239,426 |  |  | 242,681 |  |  | 5.53 | % |  |  |  | Nov-14
$250.0M 7.500% Guaranteed Notes due 2015 | 226,904 |  |  | 227,329 |  |  | 7.77 | % |  |  |  | May-15
$250.0M 6.000% Guaranteed Notes due 2016 | 250,000 |  |  | 250,000 |  |  | 5.95 | % |  |  |  | Apr-16
$300.0M 5.700% Guaranteed Notes due 2017 | 300,000 |  |  | 300,000 |  |  | 5.75 | % |  |  |  | May-17
$325.0M 4.950% Guaranteed Notes due 2018 | 325,000 |  |  | 325,000 |  |  | 5.14 | % |  |  |  | Apr-18
Indenture IA (Preferred Trust I) | 27,062 |  |  | 27,062 |  |  | 2.75 | % |  |  |  | Mar-35
Indenture IB (Preferred Trust I) | 25,774 |  |  | 25,774 |  |  | 3.30 | % |  |  |  | Apr-35
Indenture II (Preferred Trust II) | 25,774 |  |  | 25,774 |  |  | 3.09 | % |  |  |  | Jul-35
Principal balance outstanding | 2,171,130 |  |  | 1,888,111 |  |  |  |  |  |  |  |
plus: original issue premium (discount), net | (4,890 | ) |  | (5,177 | ) |  |  |  |  |  |  |
Total unsecured indebtedness | $ | 2,166,240 |  |  | $ | 1,882,934 |  |  |  |  |  |  |  |
Total Debt Obligations | $ | 2,674,450 |  |  | $ | 2,393,995 |  |  |  |  |  |  |  |
Summary of debt repurchases |
Notes | Repurchase Amount |  | Principal |  | Loss |  | Deferred Financing Amortization
2012 5.750% Notes | $ | 309 |  |  | $ | 301 |  |  | $ | (2 | ) |  | $ | — |
2014 5.400% Notes | 3,501 |  |  | 3,255 |  |  | (197 | ) |  | 6 |
2015 7.500% Notes | 484 |  |  | 425 |  |  | (49 | ) |  | 2 |
| $ | 4,294 |  |  | $ | 3,981 |  |  | $ | (248 | ) |  | $ | 8 |
Schedule of principal payments of debt obligations |
2012 | $ | 160,647 |
2013 | 66,806 |
2014 | 251,532 |
2015 | 476,800 |
2016 | 597,065 |
Thereafter | 1,127,730 |
Total principal payments | 2,680,580 |
Net unamortized premiums/(discounts) | (6,130 | )
Outstanding indebtedness | $ | 2,674,450 |

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