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COMMITMENTS AND CONTINGENCIES (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Insurance [Abstract] |  |
Period of finite risk insurance policy (in years) | 25 years |
Maximum allowable coverage of insurance policy | $ 39,000,000 |
Final payment to insurer | 18,305,000 |
Final payment to insurer deposited in sinking fund account | 14,472,000 |
Final payment to insurer representing terrorism premium | 2,883,000 |
Final payment to insurer representing fee payable | 950,000 |
Financial assurance coverage amount under insurance policy | 38,161,000 |
Sinking fund related to the insurance policy | 15,409,000 |
Interest earned on sinking fund | 938,000 |
Interest income on sinking fund during the period | 27,000 |
Insurer's obligation to entity on termination of contract (in hundredths) | 100.00% |
Contract termination election minimum period | 4 years |
Financial assurance coverage amount under second insurance policy | 7,800,000 |
Annual growth rate of financial assurance coverage amount under second insurance policy (in hundredths) | 1.50% |
Period of finite second insurance policy (in years) | 4 years |
Maximum financial assurance coverage amount under second insurance policy | 8,200,000 |
Total payment under second policy | 7,158,000 |
Amount of annual payment deposited in sinking fund under second insurance policy | 5,700,000 |
Initial payment representing premium under second insurance policy | 1,458,000 |
Sinking fund related to the second insurance policy | 5,898,000 |
Operating Leases [Abstract] |  |
2014 | 809,000 |
2015 | 728,000 |
2016 | 590,000 |
2017 | 529,000 |
2018 | 174,000 |
Beyond 2018 | 0 |
Total | 2,830,000 |
Continuing Operations [Member] |  |
Operating Leases [Abstract] |  |
Total rent expenses | 1,381,000 | 1,569,000
Payments on non-cancelable operating leases | 913,000 | 972,000
Discontinued Operations [Member] |  |
Operating Leases [Abstract] |  |
Total rent expenses | 27,000 | 42,000
Payments on non-cancelable operating leases | 0 | 5,000
PFNWR [Member] |  |
Insurance [Abstract] |  |
Interest earned on sinking fund | 198,000 |
Interest income on sinking fund during the period | 8,000 |
Renewal Fee | $ 46,000 |

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