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Debt (Tables) | 12 Months Ended
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Dec. 31, 2013
Debt Instrument [Line Items] |
Schedule of debt | Our debt consisted of the following (dollars in thousands):
| Maximum |  |  |  |  |  |  |  |
| Availability at |  | Carrying Value at |  |  |  | Scheduled Maturity
| December 31, 2013 |  | December 31, 2013 |  | December 31, 2012 |  | Stated Interest Rates at |  | as of
|  |  |  | December 31, 2013 |  | December 31, 2013
Mortgage and Other Secured Loans: |  |  |  |  |  |  |  |  |  |  |  |
Fixed rate mortgage loans (1) | (2) |  | $ | 675,060 |  |  | $ | 948,414 |  |  | 3.96% - 7.87% (3) |  | 2014-2024
Variable rate secured loan |  |  |  | 37,691 |  |  | 38,475 |  |  | LIBOR + 2.25% (4) |  | November 2015
Other construction loan facilities |  |  |  | — |  |  | 29,557 |  |  | N/A |  | N/A
Total mortgage and other secured loans |  |  |  | 712,751 |  |  | 1,016,446 |  |  |  |  |
Revolving Credit Facility (5) | $ | 800,000 |  |  | — |  |  | — |  |  | LIBOR + 0.975% to 1.75% |  | July 2017
Term Loan Facilities (5) | (6) |  | 620,000 |  |  | 770,000 |  |  | LIBOR + 1.10% to 2.60% (7) |  | 2015-2019
Unsecured Senior Notes (5) |  |  |  |  |  |  |  |  |
3.600% Senior Notes |  |  |  | 347,244 |  |  | — |  |  | 3.60% |  | May 2023
5.250% Senior Notes |  |  |  | 245,445 |  |  | — |  |  | 5.25% |  | February 2024
Unsecured notes payable |  |  |  | 1,700 |  |  | 1,788 |  |  | 0% (8) |  | 2026
4.25% Exchangeable Senior Notes (5) |  |  |  | 563 |  |  | 230,934 |  |  | 4.25% |  | April 2030
Total debt |  |  |  | $ | 1,927,703 |  |  | $ | 2,019,168 |  |  |  |  |
(1) | Several of the fixed rate mortgages carry interest rates that were above or below market rates upon assumption and therefore were recorded at their fair value based on applicable effective interest rates. The carrying values of these loans reflect net unamortized premiums totaling $69,000 at December 31, 2013 and $1.3 million at December 31, 2012.
(2) | Includes $13.9 million balance on construction loans with maximum available borrowings of $26.2 million.
(3) | The weighted average interest rate on these loans was 6.14% at December 31, 2013.
(4) | The interest rate on the loan outstanding was 2.42% at December 31, 2013.
(5) | Refer to the paragraphs below for further disclosure.
(6) | As discussed below, we have the ability to borrow an aggregate of an additional $180.0 million under these term loan facilities, provided that there is no default under the facilities and subject to the approval of the lenders.
(7) | The weighted average interest rate on these loans was 1.79% at December 31, 2013.
(8) | These notes carry interest rates that were below market rates upon assumption and therefore were recorded at their fair value based on applicable effective interest rates. The carrying value of these notes reflects an unamortized discount totaling $761,000 at December 31, 2013 and $873,000 at December 31, 2012.
Schedule of debt maturities | Our debt matures on the following schedule (in thousands):
2014 | $ | 89,483 |  |
2015 | 395,969 |  | (1)
2016 | 279,339 |  |
2017 | 405,615 |  | (2)
2018 | 1,374 |  |
Thereafter | 763,938 |  |
Total | $ | 1,935,718 |  | (3)
(1) Includes $250.0 million that may be extended for two one-year periods at our option, subject to certain conditions. (2) Includes $250.0 million that may be extended for one year at our option, subject to certain conditions. (3) Represents scheduled principal amortization and maturities only and therefore excludes net discounts of $8.0 million.
Schedule of the fair value of debt | The following table sets forth information pertaining to the fair value of our debt (in thousands):
| December 31, 2013 |  | December 31, 2012
| Carrying |  | Estimated |  | Carrying |  | Estimated
| Amount |  | Fair Value |  | Amount |  | Fair Value
Fixed-rate debt |  |  |  |  |  |  |  |  |  |  |
Unsecured Senior Notes | $ | 592,689 |  |  | $ | 575,374 |  |  | $ | — |  |  | $ | — |
4.25% Exchangeable Senior Notes | 563 |  |  | 575 |  |  | 230,934 |  |  | 240,282 |
Other fixed-rate debt | 676,760 |  |  | 650,997 |  |  | 950,202 |  |  | 968,180 |
Variable-rate debt | 657,691 |  |  | 657,527 |  |  | 838,032 |  |  | 845,558 |
| $ | 1,927,703 |  |  | $ | 1,884,473 |  |  | $ | 2,019,168 |  |  | $ | 2,054,020 |
4.25% Exchangeable Senior Notes |
Debt Instrument [Line Items] |
Schedule of interest expense recognized on notes before deductions for amounts capitalized | The table below sets forth interest expense recognized on these notes (in thousands):
| For the Years Ended December 31,
| 2013 |  | 2012 |  | 2011
Interest expense at stated interest rate | $ | 4,208 |  |  | $ | 10,200 |  |  | $ | 10,200 |
Interest expense associated with amortization of discount | 1,615 |  |  | 3,651 |  |  | 3,437 |
Total | $ | 5,823 |  |  | $ | 13,851 |  |  | $ | 13,637 |
3.5% Exchangeable Senior Notes |
Debt Instrument [Line Items] |
Schedule of interest expense recognized on notes before deductions for amounts capitalized | The table below sets forth interest expense recognized on these notes for 2011:
Interest expense at stated interest rate |  | $ | 4,013 |
Interest expense associated with amortization of discount |  | 2,617 |
Total |  | $ | 6,630 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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