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Long-Term Debt - Nitrogen Fertilizer Partnership Credit Facility (Details) - Line of Credit - CRNF - CRNF credit facility - USD ($) | Dec. 31, 2017 | Mar. 31, 2016
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Term Loan |  |
Debt Instrument [Line Items] |  |
Debt instrument face amount | $ 125,000,000.0 |
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Borrowing capacity | 25,000,000.0 |
Uncommitted incremental facility | $ 50,000,000.0 |
Effective percentage rate |  | 3.98%

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- Definition Represents the uncommitted incremental facility available under the revolving credit facility. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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