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Summary of Significant Accounting Policies - Additional Information (Detail) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 11, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) Derivative | Dec. 31, 2014 USD ($) Derivative | Dec. 31, 2013 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Natural gas property, acquisition cost incurred |  |  | $ 0 |  |
Non-cash impairment charges |  |  | 43,188,000 |  |
Carrying value of capitalized software |  |  | 12,800,000 | $ 11,700,000 |
Capitalized software, net of accumulated amortization |  |  | 1,800,000 | 400,000 |
Interest cost capitalized |  |  | 30,600,000 | 14,100,000 | $ 4,000,000
Goodwill |  |  | 1,600,000 | 1,600,000 |
Impairments of goodwill |  |  | 0 | $ 0 | 0
Insurance coverage of general liability and auto liability risks |  |  | 100,000,000 |  |
Insurance policy covering pollution liability |  |  | $ 50,000,000 |  |
Tax benefit recognized |  |  | Greater than 50% |  |
Number of derivatives held with fair value eligible for offset | Derivative |  |  | 0 | 0 |
Debt issuance costs |  |  | $ 6,400,000 |  |
Chemical [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Non-cash impairment charges |  |  | 43,200,000 |  |
Chemical [Member] | Pryor Facility [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Non-cash impairment charges |  |  | 3,500,000 |  |
Marcellus Shale Region [Member] | Chemical [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Non-cash impairment charges |  | $ 39,700,000 | 39,700,000 |  |
Fair value of natural gas properties |  | $ 22,500,000 | 22,500,000 |  |
Natural Gas Development Costs [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Natural gas, development cost incurred |  |  | $ 6,200,000 |  |
Capitalized Software [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of the software |  |  | 8 years |  |
Interest cost capitalized |  |  | $ 300,000 | $ 500,000 | $ 100,000
Amortization expense |  |  | 1,000,000 | $ 300,000 |
Estimated amortization related to capitalized software, 2016 |  |  | 1,600,000 |  |
Estimated amortization related to capitalized software, 2017 |  |  | 1,600,000 |  |
Estimated amortization related to capitalized software, 2018 |  |  | 1,600,000 |  |
Estimated amortization related to capitalized software, 2019 |  |  | 1,600,000 |  |
Estimated amortization related to capitalized software, 2020 |  |  | $ 1,600,000 |  |
Short-Term Investments [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Original maturity period |  |  | 26 weeks |  |
Subsequent Event [Member] | Climate Control Group [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Outstanding shares of stock to be sold under Stock Purchase Agreement | $ 364,000,000 |  |  |  |
Minimum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Ownership interest in equity method investment |  |  | 20.00% |  |
Maximum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Ownership interest in equity method investment |  |  | 50.00% |  |

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