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Related Party Transactions - Additional Information (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 SAIC Constructors [Member] | Mar. 31, 2011 Debentures [Member] | Mar. 31, 2013 Golsen Group [Member] | Mar. 31, 2012 Golsen Group [Member] | Jun. 30, 2011 Golsen Group [Member] | Mar. 31, 2011 Golsen Group [Member] | Jan. 31, 2011 Golsen Group [Member] | Dec. 31, 2010 Golsen Group [Member] | Jul. 31, 2011 Golsen Group [Member] Debentures [Member] | Dec. 31, 2011 Golsen Group [Member] Debentures [Member] | Dec. 31, 2010 Golsen Group [Member] Debentures [Member] | Jul. 31, 2011 Golsen Group [Member] Promissory note [Member] | Dec. 31, 2013 SAIC Energy [Member] | Dec. 31, 2012 SAIC Energy [Member]
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest paid relating to the debentures | $ 451,000 | $ 4,325,000 | $ 6,547,000 |  |  |  |  | $ 55,000 |  | $ 137,500 |  |  |  |  |  |  |
Debentures held by Golsen Group |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |
Interest accrued |  |  |  |  |  |  |  |  |  |  | 137,500 |  |  |  |  |  |
Dividends on preferred stocks | 300,000 | 300,000 | 305,000 |  |  | 300,000 | 300,000 |  | 300,000 |  |  |  |  |  |  |  |
Amount of Debentures sold by a related party to a third party |  |  |  |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Principal amounts converted |  |  | 26,900,000 |  |  |  |  |  |  |  |  | 2,000,000 |  |  | 8,000 |  |
Shares of LSB common stock issued |  |  | 979,160 |  |  |  |  |  |  |  |  | 72,800 |  |  |  |  |
Interest expense relating to the debentures |  |  |  |  |  |  |  |  |  |  |  |  | 60,500 |  |  |  |
Promissory note converted into shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000 |  |
Directors term expiration date | 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,700,000 | 100,000
Constructor's fees |  |  |  | $ 39,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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