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Commitments and Contingencies - Additional Information (Detail) (USD $) | 0 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Mar. 26, 2009 | Nov. 14, 2008 | Feb. 22, 2007 | Dec. 31, 2012 | Dec. 31, 2006 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Mar. 02, 2009
Commitments And Contingencies Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Rent expense |  |  |  |  |  | $ 1,820,000 | $ 1,677,000 | $ 1,592,000 |
Legal settlement cost |  |  | 50,000,000 |  |  |  |  |  |
Reimbursed by the insurance carriers |  |  | 12,800,000 |  |  |  |  |  |
Gain (loss) from the litigation-related settlements |  |  |  | 1,975,000 | (37,200,000) |  | 1,975,000 |  |
Jury awarded in damages to the Company |  | 17,300,000 |  |  |  |  |  |  |
Reduction in jury award |  |  |  |  |  |  |  |  | 4,000,000
Affirming the award | 13,300,000 |  |  |  |  |  |  |  |
Prejudgment interest | 3,179,000 |  |  |  |  |  |  |  |
Insurance carriers total | 16,479,000 |  |  |  |  |  |  |  |
Insurance carriers on cash payment |  |  |  |  |  |  | $ 1,975,000 |  |

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Amount of damages paid to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Definition The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to operating activities. It excludes insurance settlements classified as investing cash flows, for example, insurance settlements related to fixed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3337-108585 + Details
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- Definition Amount of prejudgment interest paid. + References No definition available. + Details
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