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CONDENSED CONSOLIDATED STATEMENTS OF CAPITAL STOCK AND LONG-TERM DEBT (Unaudited) (Parenthetical) In Thousands, unless otherwise specified |  |  | 9 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 Amortizing Secured Note, due December 20, 2021 [Member] | Sep. 30, 2014 Amortizing Secured Note, due May 19, 2028 [Member] | Sep. 30, 2014 Amortizing Secured Note, due August 25, 2030 [Member] | Sep. 30, 2014 Amortizing Secured Note, due September 19, 2031 [Member] | Sep. 30, 2014 State Revolving Trust Note, due December 31, 2022 [Member] | Sep. 30, 2014 State Revolving Trust Note, due May 1, 2025 [Member] | Sep. 30, 2014 State Revolving Trust Note, due March 1, 2026 [Member] | Sep. 30, 2014 State Revolving Trust Note, due January 25, 2027 [Member] | Sep. 30, 2014 State Revolving Trust Note, due December 1, 2026 [Member] | Sep. 30, 2014 State Revolving Trust Bond, due August 1, 2021 [Member] | Sep. 30, 2014 0% State Revolving Trust Bond, due August 1, 2021 [Member] | Sep. 30, 2014 State Revolving Trust Note, due July 1, 2028 [Member] | Sep. 30, 2014 State Revolving Trust Note, due January 1, 2028 [Member] | Sep. 30, 2014 State Revolving Trust Note, due August 1, 2031 [Member] | Sep. 30, 2014 Amortizing Secured Note, due April 20, 2029 [Member] | Sep. 30, 2014 Amortizing Secured Note, due January 20, 2030 [Member] | Sep. 30, 2014 Amortizing Secured Note, due January 20, 2030 [Member] | Sep. 30, 2014 State Revolving Trust Note, due July 1, 2031 [Member] | Sep. 30, 2014 State Revolving Trust Note, due November 30, 2030 [Member] | Sep. 30, 2014 First Mortgage Bonds - Series X [Member] | Sep. 30, 2014 First Mortgage Bonds - Series Y [Member] | Sep. 30, 2014 First Mortgage Bonds - Series Z [Member] | Sep. 30, 2014 First Mortgage Bonds - Series AA [Member] | Sep. 30, 2014 First Mortgage Bonds - Series BB [Member] | Sep. 30, 2014 First Mortgage Bonds - Series CC [Member] | Sep. 30, 2014 First Mortgage Bonds - Series EE [Member] | Sep. 30, 2014 First Mortgage Bonds - Series FF [Member] | Sep. 30, 2014 First Mortgage Bonds - Series GG [Member] | Sep. 30, 2014 First Mortgage Bonds - Series HH [Member] | Sep. 30, 2014 First Mortgage Bonds - Series II [Member] | Sep. 30, 2014 First Mortgage Bonds - Series JJ [Member] | Sep. 30, 2014 First Mortgage Bonds - Series NN [Member] | Sep. 30, 2014 First Mortgage Bonds - Series LL [Member] | Sep. 30, 2014 First Mortgage Bonds - Series KK [Member] | Sep. 30, 2014 First Mortgage Bonds - Series MM [Member] | Sep. 30, 2014 First Mortgage Bonds - Series OO [Member] | Sep. 30, 2014 First Mortgage Bonds - Series PP [Member] | Sep. 30, 2014 First Mortgage Bonds - Series QQ [Member] | Sep. 30, 2014 First Mortgage Bonds - Series RR [Member] | Sep. 30, 2014 First Mortgage Bonds - Series SS [Member] | Sep. 30, 2014 First Mortgage Bonds - Series TT [Member] | Sep. 30, 2014 First Mortgage Bonds - Series UU [Member] | Sep. 30, 2014 Convertible Preferred Stock $7.00 Series [Member] | Dec. 31, 2013 Convertible Preferred Stock $7.00 Series [Member] | Sep. 30, 2014 Convertible Preferred Stock $8.00 Series [Member] | Dec. 31, 2013 Convertible Preferred Stock $8.00 Series [Member] | Sep. 30, 2014 Nonredeemable Preferred Stock $7.00 Series [Member] | Dec. 31, 2013 Nonredeemable Preferred Stock $7.00 Series [Member] | Sep. 30, 2014 Nonredeemable Preferred Stock $4.75 Series [Member] | Dec. 31, 2013 Nonredeemable Preferred Stock $4.75 Series [Member]
Common Stock, Shares Authorized | 40,000 | 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Outstanding | 16,107 | 15,963 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized | 130 | 130 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding | 24 | 28 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 | 14 | 3 | 3 | 1 | 1 | 10 | 10
Due date of debt |  |  | Dec. 20, 2021 | May 19, 2028 | Aug. 25, 2030 | Sep. 19, 2031 | Dec. 31, 2022 | May 01, 2025 | Mar. 01, 2026 | Jan. 25, 2027 | Dec. 01, 2026 | Aug. 01, 2021 | Aug. 01, 2021 | Jul. 01, 2028 | Jan. 01, 2028 | Aug. 01, 2031 | Apr. 20, 2029 | Jan. 20, 2030 | Jan. 20, 2030 | Jul. 01, 2031 | Nov. 30, 2030 | Sep. 01, 2018 | Sep. 01, 2018 | Sep. 01, 2019 | Sep. 01, 2019 | Sep. 01, 2021 | Sep. 01, 2021 | Aug. 01, 2023 | Aug. 01, 2024 | Aug. 01, 2026 | Aug. 01, 2026 | Aug. 01, 2024 | Aug. 01, 2027 | Aug. 01, 2030 | Aug. 01, 2028 | Aug. 01, 2028 | Aug. 01, 2030 | Aug. 01, 2031 | Aug. 01, 2031 | Oct. 01, 2023 | Oct. 01, 2038 | Oct. 01, 2047 | Aug. 01, 2032 | Aug. 01, 2032 |  |  |  |  |  |  |  |
Interest rate |  |  | 8.05% | 6.25% | 6.44% | 6.46% | 4.22% | 3.60% | 3.30% | 3.49% | 4.03% |  | 0.00% | 3.64% | 3.64% | 3.45% | 6.59% | 7.05% | 5.69% | 3.75% | 3.75% | 0.00% |  | 0.00% |  | 0.00% |  | 0.00% |  | 0.00% |  | 0.00% |  |  |  | 0.00% | 0.00% | 0.00% |  | 5.00% | 3.80% | 4.25% | 0.00% |  |  |  |  |  |  |  |  |
Interest rate - minimum |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  | 4.25% |  | 5.25% |  | 4.00% |  | 3.00% |  | 4.00% |  | 3.40% | 3.00% | 5.00% |  |  |  | 2.00% |  |  |  |  | 3.00% |  |  |  |  |  |  |  |
Interest rate - maximum |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  | 4.63% |  | 5.75% |  | 5.00% |  | 5.50% |  | 5.00% |  | 5.00% | 4.375% | 5.50% |  |  |  | 5.00% |  |  |  |  | 3.25% |  |  |  |  |  |  |  |

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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