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Derivative and Hedging Activities - Summary of Amounts Recorded in AOCL and Gain (Loss) Recorded in Operations when Reclassified out of AOCL or Recognized in Earnings (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Interest Expense [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Loss Reclassified from AOCL into Operations (Effective Portion) | $ (1,315) | $ (425) | $ (3,646) |
| General and Administrative Expense [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Loss Reclassified from AOCL into Operations (Effective Portion) | 0 | (22) | (4,037) |
| Amount of Gain Recognized in Operations on Derivative (Ineffective Portion) | 0 | 10 | 0 |
| Cash Flow Hedging [Member] | Interest Rate Swap [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Loss Recognized in AOCL on Derivative (Effective Portion) | $ (1,760) | $ (314) | $ (902) |