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Derivative Instruments (Tables) | 12 Months Ended
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Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | As of December 31, 2015 and 2014, the fair value carrying amount of the Company's derivatives designated as hedging instruments are recorded as follows:
|  |  |  | Asset / (Liability) Derivatives
|  | Balance Sheet Caption |  | December 31, 2015 |  | December 31, 2014
|  |  |  | (dollars in thousands)
Derivatives designated as hedging instruments |  |  |  |  |  |
Interest rate swaps |  | Other assets |  | $ | 430 |  |  | $ | 1,270 |
Interest rate swaps |  | Accrued liabilities |  | (150 | ) |  | (180 | )
Interest rate swaps |  | Other long-term liabilities |  | (3,180 | ) |  | — |
Total derivatives designated as hedging instruments |  |  |  | $ | (2,900 | ) |  | $ | 1,090 |
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance | The following tables summarize the income (loss) recognized in accumulated other comprehensive income ("AOCI"), the amounts reclassified from AOCI into earnings and the amounts recognized directly into earnings as of December 31, 2015 and 2014 and for the years ended December 31, 2015, 2014 and 2013:
|  | Amount of Income (Loss) Recognized in AOCI on Derivative (Effective Portion, net of tax) |  | Location of Income (Loss) Reclassified from AOCI into Earnings (Effective Portion) |  | Amount of Income (Loss) Reclassified from AOCI into Earnings
|  | As of December 31, |  |  | Year ended December 31,
|  | 2015 |  | 2014 |  |  | 2015 |  | 2014 |  | 2013
|  | (dollars in thousands) |  |  |  | (dollars in thousands)
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (1,790 | ) |  | $ | 680 |  |  | Interest expense |  | $ | (420 | ) |  | $ | — |  |  | $ | — |
|  |  |  |  |  | Income (loss) from discontinued operations |  | $ | (440 | ) |  | $ | (970 | ) |  | $ | 2,510 |
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] |
|  |  |  | Amount of Loss Recognized in Earnings on Derivatives
|  |  |  | Year ended December 31,
|  | Location of Loss Recognized in Earnings on Derivatives |  | 2015 |  | 2014 |  | 2013
|  |  |  | (dollars in thousands)
Derivatives not designated as hedging instruments |  |  |  |  |  |  |  |
Interest rate swaps |  | Interest expense |  | $ | — |  |  | $ | — |  |  | $ | (1,480 | )
Fair Value Measurements, Recurring and Nonrecurring | Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of December 31, 2015 and 2014 are shown below.
| Description |  | Frequency |  | Asset / (Liability) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
|  |  |  |  | (dollars in thousands)
December 31, 2015 | Interest rate swaps |  | Recurring |  | $ | (2,900 | ) |  | $ | — |  |  | $ | (2,900 | ) |  | $ | — |
December 31, 2014 | Interest rate swaps |  | Recurring |  | $ | 1,090 |  |  | $ | — |  |  | $ | 1,090 |  |  | $ | — |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=36462937&loc=SL7498348-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
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- Definition Tabular disclosure for other derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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