Long-Term Debt - Outstanding Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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Debt Instrument [Line Items] | ||||||
Total long-term debt | $ 169,700 | $ 122,000 | ||||
Capital Lease Obligations | 6,450 | 6,978 | ||||
Total Long-term debt | 176,157 | 128,945 | ||||
Less: current maturities | (11,113) | (11,353) | ||||
Total long-term debt, net of current maturities | 165,044 | 117,592 | ||||
9.08% bond, due June 1, 2022 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 7,969 | [1] | 7,967 | [1] | ||
7.83% note, due January 1, 2015 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 2,000 | 2,000 | ||||
6.64% note, due October 31, 2017 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 10,909 | 10,909 | ||||
5.50% note, due October 12, 2020 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 14,000 | 14,000 | ||||
5.93% note, due October 31, 2023 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 28,500 | 30,000 | ||||
5.68% note, due June 30, 2026 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 29,000 | 29,000 | ||||
Uncollateralized Senior Notes Due On May Two Thousand Twenty Eight [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 7,000 | 7,000 | ||||
Uncollateralized Senior Note Two Due on December Two Thousand Twenty Eight [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 20,000 | 20,000 | ||||
Uncollateralized Senior Notes Due On Two Thousand Twenty Nine [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 50,000 | |||||
8.25% due March 1, 2014 [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | 0 | 646 | ||||
Promissory note [Member]
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Debt Instrument [Line Items] | ||||||
Total long-term debt | $ 329 | $ 445 | ||||
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