|
Financial Instruments Financial Instruments - Balance Sheet Grouping (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Feb. 14, 2012
|
Dec. 31, 2012
Carrying Value [Member]
|
Dec. 31, 2011
Carrying Value [Member]
|
Dec. 31, 2012
Fair Value [Member]
|
Dec. 31, 2011
Fair Value [Member]
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||||
| Debt Instrument, Description of Variable Rate Basis | LIBOR | |||||
| Letters of Credit Outstanding, Amount | $ 10,556 | |||||
| Notes Payable | $ 334 | $ 885 | $ 387 | $ 920 | ||
| Debt Instrument, Basis Spread on Variable Rate, Minimum | 1.10% |
| X | ||||||||||
|
- Definition
The minimum percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
|
| X | ||||||||||
|
- 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. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
|
| X | ||||||||||
|
- Definition
Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|