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Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 1 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Feb. 28, 2014 Golsen Group [Member] | Mar. 31, 2013 Golsen Group [Member]
Related Party Transaction [Line Items] |  |  |  |
Dividends on preferred stock paid or declared | $ 300 | $ 300 | $ 300 | $ 300

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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. + 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 S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
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- Details
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