v2.4.0.8

Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |  |  | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2014 Convertible Preferred Stock | Jun. 30, 2014 Convertible Preferred Stock | Mar. 31, 2014 Convertible Preferred Stock | Sep. 30, 2013 Convertible Preferred Stock | Jun. 30, 2013 Convertible Preferred Stock | Mar. 31, 2013 Convertible Preferred Stock | Sep. 30, 2014 Level 3 Convertible Preferred Stock | Dec. 31, 2013 Level 3 Convertible Preferred Stock | Sep. 30, 2013 Level 3 Convertible Preferred Stock | Sep. 30, 2014 Income Approach Valuation Technique Level 3 Convertible Preferred Stock | Sep. 30, 2013 Income Approach Valuation Technique Level 3 Convertible Preferred Stock | Dec. 31, 2013 Income Approach Valuation Technique Level 3 Convertible Preferred Stock | Sep. 30, 2014 Income Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Sep. 30, 2013 Income Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Dec. 31, 2013 Income Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Sep. 30, 2014 Income Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock | Sep. 30, 2013 Income Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock | Dec. 31, 2013 Income Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock | Sep. 30, 2014 Market Approach Valuation Technique Level 3 Convertible Preferred Stock | Sep. 30, 2013 Market Approach Valuation Technique Level 3 Convertible Preferred Stock | Dec. 31, 2013 Market Approach Valuation Technique Level 3 Convertible Preferred Stock | Sep. 30, 2014 Market Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Sep. 30, 2013 Market Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Dec. 31, 2013 Market Approach Valuation Technique Maximum Level 3 Convertible Preferred Stock | Sep. 30, 2014 Market Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock | Sep. 30, 2013 Market Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock | Dec. 31, 2013 Market Approach Valuation Technique Minimum Level 3 Convertible Preferred Stock
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset, Beginning Balance | $ 16,950 | $ 20,530 |  | $ 25,720 |  | $ 17,710 | $ 17,710 |  | $ 17,220 |  | $ 15,000 | $ 25,720 | $ 17,710 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) included in other comprehensive income | (1,950) | (3,580) | [1] | (5,190) | [1] | 0 | 0 | [1] | 490 | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset, Ending Balance | 15,000 | 16,950 |  | 20,530 |  | 17,710 | 17,710 |  | 17,710 |  | 15,000 | 25,720 | 17,710 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset fair value | $ 15,000 | $ 16,950 |  | $ 20,530 |  | $ 17,710 | $ 17,710 |  | $ 17,710 |  | $ 15,000 | $ 25,720 | $ 17,710 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.35 | 6.60 | 7.75 | 10.02 | 7.00 | 8.00 | 7.08 | 5.50 | 7.50
Fair Value Inputs, Discount Rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.50% | 17.00% | 14.50% | 14.50% | 17.00% | 14.50% | 14.50% | 17.00% | 14.50% |  |  |  |  |  |  |  |  |
[1] | (a) The decrease in value from year end is due primarily to reductions in forecasted traffic on the railroad

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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA), used as an input to measure fair value. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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