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Derivative Instruments (Tables) | 9 Months Ended
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Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | As of September 30, 2013 and December 31, 2012, the fair value carrying amount of the Company's interest rate swaps are recorded as follows:
|  |  |  | Asset / (Liability) Derivatives
|  | Balance Sheet Caption |  | September 30, 2013 |  | December 31, 2012
|  |  |  | (dollars in thousands)
Derivatives designated as hedging instruments |  |  |  |  |  |
Interest rate swap |  | Other assets |  | $ | 5,240 |  |  | $ | — |
Interest rate swap |  | Accrued liabilities |  | (500 | ) |  | (530 | )
Interest rate swap |  | Other long-term liabilities |  | — |  |  | (690 | )
Total derivatives designated as hedging instruments |  |  |  | $ | 4,740 |  |  | $ | (1,220 | )
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance | nine months ended September 30, 2013 and 2012:
| Amount of Income (Loss) Recognized in AOCI on Derivative (Effective Portion, net of tax) |  |  |  | Amount of Loss Reclassified from AOCI into Earnings
|  |  |  | Three months ended September 30, |  | Nine months ended September 30,
| As of September 30, 2013 |  | As of December 31, 2012 |  | Location of Loss Reclassified from AOCI into Earnings (Effective Portion) |  | 2013 |  | 2012 |  | 2013 |  | 2012
| (dollars in thousands) |  |  |  | (dollars in thousands)
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps | $ | 2,930 |  |  | $ | (760 | ) |  | Interest expense |  | $ | (240 | ) |  | $ | (140 | ) |  | $ | (560 | ) |  | $ | (250 | )
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location |
|  |  |  | Amount of Loss Recognized in Earnings on Derivatives
|  | Location of Loss Recognized in Earnings on Derivatives |  | Three months ended September 30, |  | Nine months ended September 30,
|  |  | 2013 |  | 2012 |  | 2013 |  | 2012
|  |  |  | (dollars in thousands)
Derivatives not designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | Interest expense |  | $ | (140 | ) |  | $ | — |  |  | $ | (410 | ) |  | $ | — |
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 September 30, 2013 and December 31, 2012 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)
September 30, 2013 |  | Interest rate swaps |  | Recurring |  | $ | 4,740 |  |  | $ | — |  |  | $ | 4,740 |  |  | $ | — |
December 31, 2012 |  | Interest rate swaps |  | Recurring |  | $ | (1,220 | ) |  | $ | — |  |  | $ | (1,220 | ) |  | $ | — |

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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 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 2: 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=25499696&loc=SL7498348-110258 Reference 3: 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=25499696&loc=d3e19279-110258 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=25499696&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 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: 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=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging 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 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + 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=7476318&loc=SL5624171-113959 + Details
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