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FEDERAL AND STATE INCOME TAXES (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Deferred tax liabilities [Abstract] |  |  |
Property and equipment | $ 69,667,000 | $ 65,236,000 |
Unrealized gains on securities | 2,591,000 | 2,879,000 |
Prepaid expenses and other | 4,171,000 | 4,138,000 |
Total deferred tax liabilities, current | 6,762,000 | 7,017,000 |
Total deferred tax liabilities, long-term | 69,667,000 | 65,236,000 |
Deferred tax assets [Abstract] |  |  |
Allowance for doubtful accounts | 439,000 | 787,000 |
Alternative minimum tax credit carryforward | 193,000 | 215,000 |
QAFMV tax credit carryforward | 864,000 | 864,000 |
New hire tax credit | 124,000 | 124,000 |
Compensated absences | 616,000 | 668,000 |
Self-insurance allowances | 787,000 | 767,000 |
Share-based compensation | 582,000 | 448,000 |
Goodwill | 364,000 | 691,000 |
Marketable equity securities | 723,000 | 1,691,000 |
Net operating loss carryover | 23,115,000 | 18,522,000 |
Capital loss carryover | 915,000 | 821,000 |
Non-competition agreement | 47,000 | 64,000 |
Other, current | 10,000 | 6,000 |
Other, long-term | 10,000 | 15,000 |
Total deferred tax assets, current | 3,490,000 | 4,740,000 |
Total deferred tax assets, long-term | 25,299,000 | 20,943,000 |
Net deferred tax liability, current | 3,272,000 | 2,277,000 |
Net deferred tax Liability, long-term | 44,368,000 | 44,293,000 |
Income Tax Reconciliation [Abstract] |  |  |
Income tax at the statutory federal rate | 1,222,000 | (1,901,000) | (545,000)
Nondeductible expense | 138,000 | 171,000 | 217,000
QAFMV Credit | 0 | 0 | (570,000)
New hire credit | 0 | (124,000) | 0
State income taxes - net of federal benefit | 56,000 | (879,000) | (50,000)
Total income tax expense (benefit) | 1,416,000 | (2,733,000) | (948,000)
Effective Tax Rate Reconciliation [Abstract] |  |  |
Income tax at the statutory federal rate (in hundredths) | 34.00% | 34.00% | 34.00%
Nondeductible expense (in hundredths) | 3.80% | (3.00%) | (13.50%)
QAFMV credit (in hundredths) | 0.00% | 0.00% | 35.60%
New hire credit (in hundredths) | 0.00% | 2.20% | 0.00%
State income taxes - net of federal benefit (in hundredths) | 1.60% | 15.70% | 3.10%
Total income tax benefit (in hundredths) | 39.40% | 48.90% | 59.20%
Current [Abstract] |  |  |
Federal | 0 | 0 | 0
State | 51,000 | 35,000 | 195,000
Total current | 51,000 | 35,000 | 195,000
Deferred [Abstract] |  |  |
Federal | 1,166,000 | (1,904,000) | (970,000)
State | 199,000 | (864,000) | (173,000)
Total deferred | 1,365,000 | (2,768,000) | (1,143,000)
Total income tax expense (benefit) | 1,416,000 | (2,733,000) | (948,000)
General business credits | 988,000 |  |
Net operating loss carryover | 60,892,000 |  |
Statute of limitations | 3 years |  |
Restricted cash held by third-party qualified intermediary | $ 503,000 | $ 718,000 |

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- Definition The sum of the differences between the effective income tax rate and domestic federal statutory income tax rate attributable to all nondeductible expenses under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817 + Details
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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles and enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1 -Article 4 + Details
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- Definition The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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