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Income Taxes - Additional Information (Detail) (USD $) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 State and Local Jurisdiction [Member] | Dec. 31, 2013 United States Federal Income Tax Authority [Member]
Income Taxes [Line Items] |  |  |  |
Net short-term deferred tax asset | $ 15,900,000 | $ 16,500,000 |  |
Net long-term deferred tax asset | 3,900,000 | 4,300,000 |  |
Net long-term deferred tax liability | 31,552,000 | 10,768,000 |  |
Gross deferred tax assets related to state net operating loss carryforwards | 283,600,000 |  |  |
Operating loss expiration date |  |  | Net operating loss carryforwards that will expire between 2015 and 2032 |
Valuation allowance related to certain state net operating loss carryforward deferred tax assets | 6,800,000 |  |  |
Operating loss expiration, beginning year |  |  | 2015 |
Operating loss expiration, ending year |  |  | 2032 |
Liabilities recorded related to unrecognized tax benefits |  | 11,500,000 |  |
Liabilities related to interest and penalties | 1,100,000 | 2,400,000 |  |
Unorganized tax benefit would affect income tax rate if recognized | $ 3,000,000 | $ 5,500,000 |  |
Income tax examination range upper limit |  |  | 2013 | 2013
Income tax examination range lower limit |  |  | 2006 | 2010

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- Definition Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31931-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31958-109318 + Details
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