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Fair Value (Details) (USD $) In Thousands, unless otherwise specified |  |  |  |  | 3 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2014 Recurring Significant Unobservable Inputs (Level 3) | Dec. 31, 2013 Recurring Significant Unobservable Inputs (Level 3) | Mar. 31, 2014 Senior Secured Revolving Credit Facility LIBOR
Fair Value Liabilities Measured On Recurring and Nonrecurring Basis |  |  |  |  |
Debt instrument, description of variable rate |  |  |  |  | 30 day LIBOR
Debt instrument, basis spread on variable rate (as a percent) |  |  |  |  | 2.75%
Contingently convertible Series E units liability | $ 69,694 | $ 66,938 | $ 69,694 | $ 66,938 |
Preferred shares derivative liability | $ 29,849 | $ 28,150 | $ 29,849 | $ 28,150 |

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- Definition Fair value of Series E convertible units that represent non-voting interests in the Operating Partnership that may be settled into a variable number of Series D units or Class A units on a specified date. + References No definition available. + Details
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Balance Type: | credit
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- Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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