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INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Deferred tax assets: |  |  |
Termite accrual | $ 1,241 | $ 1,848 |
Insurance and contingencies | 18,374 | 26,560 |
Unearned revenues | 11,152 | 14,610 |
Compensation and benefits | 11,157 | 15,798 |
State and foreign operating loss carryforwards | 7,035 | 12,817 |
Bad debt reserve | 3,203 | 4,842 |
Foreign tax credit | 7,842 | 18,213 |
Other | 1,861 | 1,804 |
Net Pension liability | 0 | 1,109 |
Valuation allowance | (24) | (6,507) | $ (3,969)
Total deferred tax assets | 61,841 | 91,094 |
Deferred tax liabilities: |  |  |
Depreciation and amortization | (18,453) | (21,217) |
Net Pension liability | (3,709) | 0 |
Intangibles and other | (21,259) | (28,000) |
Total deferred tax liabilities | (43,421) | (49,217) |
Net deferred tax assets | $ 18,420 | $ 41,877 |

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