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v2.4.0.8

Subsequent Events (Details) (USD $) | 0 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 23, 2014 | Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Subsequent Event [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 470,000,000 |  |  |
Amortization of Financing Costs and Discounts | 300,000 | 633,000 | 555,000 |
Line of Credit Facility, Remaining Borrowing Capacity | 332,000,000 | 206,000,000 |  |
Letters of Credit Outstanding, Amount |  | $ 9,200,000 |  |
Percentage Of One Month Interest rate Plus London Interbank Offering Rate | 1.00% | 1.00% |  |
Debt Instrument Interest Coverage Ratio | 2.50 | 3.00 |  |
Debt Instrument Leverage Ratio | 3.00 |  |  | 2.25
Maximum [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage Of Margin Plus London Interbank Offered Rate | 2.00% | 2.25% |  |
Percentage Of Margin Plus Alternate Base Rate | 1.00% | 1.25% |  |
Line of Credit Facility, Commitment Fee Percentage | 0.35% | 0.40% |  |
Minimum [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage Of Margin Plus London Interbank Offered Rate | 1.25% | 1.50% |  |
Percentage Of Margin Plus Alternate Base Rate | 0.25% | 0.50% |  |
Line of Credit Facility, Commitment Fee Percentage | 0.20% | 0.25% |  |

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- Definition Percentage of margin plus London interbank offered rate. + References No definition available. + Details
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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
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