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INCOME TAXES - Narrative (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | May 31, 2019 | Jan. 31, 2018
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred income tax benefit |  |  |  |  |  | $ (1,244) | $ 1,250 | $ (15,525) |  |
Deferred tax liabilities, goodwill |  |  |  |  |  |  |  |  | $ 2,385 | $ 937
Increase (decrease) in valuation allowance | $ (248) | $ (2,137) | $ 698 | $ (1,635) |  |  | 213 | 834 |  |
Deferred tax (benefit), indefinite lived assets |  |  |  |  |  | (297) |  |  |  |
Increase in tax provision due to Tax Act |  |  |  |  |  |  |  | 33,700 |  |
Increase (decrease) deferred tax benefit related to continuing operations |  |  |  |  | $ (29,234) |  |  | (36,556) |  |
Deferred tax benefit of indefinite lived deferred tax liabilities due to US tax reform |  |  |  |  | 12,758 | 0 | 0 | 12,758 |  |
Net deferred tax asset | 5,934 |  | 7,075 |  |  | 5,934 | 7,075 |  |  |
Net operating loss carryforwards subject to expiration | 110,587 |  |  |  |  | 110,587 |  |  |  |
Net operating loss carryforwards not subject to expiration | 67,399 |  |  |  |  | 67,399 |  |  |  |
State net operating loss carryforwards expiry period | 101,628 |  |  |  |  | 101,628 |  |  |  |
Alternative minimum tax credit carryforwards | 951 |  | 1,902 |  |  | 951 | 1,902 |  |  |
General business tax credit carryforwards | 6,273 |  | 6,192 |  |  | 6,273 | 6,192 |  |  |
Deferred tax expense (benefit) due to Tax Cuts and Jobs Act |  |  |  |  | (15,614) |  |  |  |  |
Unrecognized tax benefit net of federal benefit on state issue |  |  | 1 |  | 2 |  | 1 | 2 |  |
Unrecognized tax benefits | 0 |  |  |  |  | 0 |  |  |  |
Uncertain tax positions, accrued interest | 1 |  | 2 |  | 3 | 1 | 2 | 3 |  |
Uncertain tax positions, penalties | 1 |  | 1 |  | 2 | 1 | 1 | 2 |  |
Accrued income tax expense | 1 |  | $ 2 |  | $ 3 | 1 | 2 | $ 3 |  |
Federal |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |
Net deferred tax asset | 8,577 |  |  |  |  | 8,577 |  |  |  |
State |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |
Net deferred tax liability | (2,643) |  |  |  |  | (2,643) |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred income tax benefit |  |  |  |  |  | (2,385) | $ (937) |  |  |
Complete Disposal Company, Inc |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards | $ 1,756 |  |  |  |  | $ 1,756 |  |  |  |

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