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)
$ in Thousands |
12 Months Ended |
|
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
Jun. 30, 2016
Derivative
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Loss from hedged transactions no longer probable of occurring |
|
|
$ 76
|
|
| General and Administrative Expense |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Amount of Loss Recognized in Operations on Derivative (Ineffective Portion) |
$ 0
|
$ (1,706)
|
(78)
|
|
| Interest Expense |
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|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Amount of Loss Reclassified from AOCL into Operations (Effective Portion) |
0
|
(459)
|
(1,169)
|
|
| Not Designated as Hedging Instrument | General and Administrative Expense |
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|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Amount of Loss Recognized in Operations on Derivative (Ineffective Portion) |
0
|
(18)
|
0
|
|
| Interest Rate Swap | Cash Flow Hedging |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
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| Amount of Loss Recognized in AOCL on Derivative (Effective Portion) |
$ 0
|
$ (1,137)
|
$ (1,190)
|
|
| Interest Rate Swap | Designated as Hedging Instrument | Accounts Payable Accruals And Other Liabilities |
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|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
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|
|
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| Number of variable rate debt obligations repaid during period | Derivative |
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8
|