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Deferred Charges, Goodwill and Other Assets (Summary Of Notional Amount And Fair Value Of Derivative Financial Instruments) (Details) (USD $)
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3 Months Ended |
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|
Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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| Derivatives, Fair Value [Line Items] |
|
|
|
|
| Fair Value |
$ 32,000 |
|
|
$ 95,000 |
| Interest and other investment income (loss) |
267,000 |
|
386,000 |
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| Gain (Loss) on Derivative Instruments [Member] |
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|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
|
| Interest and other investment income (loss) |
(63,000) |
|
|
|
| LIBOR Cap One [Member] |
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|
|
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| Derivatives, Fair Value [Line Items] |
|
|
|
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| Notional Value |
51,000,000 |
[1] |
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|
| Strike Rate |
1.50% |
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|
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| Effective Date |
Sep. 01, 2014 |
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|
|
| Expiration Date |
Oct. 01, 2015 |
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|
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| Fair Value |
1,000 |
|
|
1,000 |
| LIBOR Cap Two [Member] |
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|
|
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| Derivatives, Fair Value [Line Items] |
|
|
|
|
| Notional Value |
24,000,000 |
[1] |
|
|
| Strike Rate |
1.50% |
|
|
|
| Effective Date |
Sep. 01, 2014 |
|
|
|
| Expiration Date |
Oct. 01, 2015 |
|
|
|
| Fair Value |
1,000 |
|
|
1,000 |
| LIBOR Cap Three [Member] |
|
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
|
| Notional Value |
51,000,000 |
[1] |
|
|
| Strike Rate |
1.75% |
|
|
|
| Effective Date |
Oct. 01, 2015 |
|
|
|
| Expiration Date |
Oct. 01, 2016 |
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|
|
| Fair Value |
20,000 |
|
|
64,000 |
| LIBOR Cap Four [Member] |
|
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
|
| Notional Value |
24,000,000 |
[1] |
|
|
| Strike Rate |
1.75% |
|
|
|
| Effective Date |
Oct. 01, 2015 |
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|
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| Expiration Date |
Oct. 01, 2016 |
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|
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| Fair Value |
$ 10,000 |
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|
$ 29,000 |
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