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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2013 Segment | Dec. 31, 2012 | Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Reporting business segments |  | 2 |  |
Ownership percentage | 50.00% | 50.00% |  |
Reserve for uncollectible accounts | $ 7,400,000 | $ 7,400,000 | $ 6,700,000 |
Impairment of trade name | 2,904,000 | 2,904,000 |  |
Minimum percentage of revenue accounted for by one customer |  | 10.00% | 10.00% | 10.00%
State tax net operating losses, valuation allowance | $ 100,000 | $ 100,000 |  |
Minimum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of likelihood of impairment test for indefinite lived intangibles |  | 50.00% |  |
Building And Improvement [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment estimated life |  | 40 years |  |
Computer Equipment and Software [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment estimated life |  | 5 years |  |
Furniture and Equipment [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment estimated life |  | 10 years |  |
Transportation Equipment and Automobiles [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment estimated life |  | 15 years |  |
Software Development [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Intangible assets estimated useful life |  | 5 years |  |
Leasehold Improvements [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment estimated life, description |  | The shorter of useful life or lease term. |  |

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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