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RELATED PARTY TRANSACTIONS (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Apr. 30, 1994 Lease
Related Party Transaction [Line Items] |  |  |  |
Total services purchased | $ 3,421 | $ 3,377 | $ 4,024 |
Outstanding accounts payable | 32 | 30 |  |
Number of leases | Lease |  |  |  | 2
Total expense charged to operations under lease agreement | 349 | 360 | 371 |
Accrued costs associated with post-closure obligations | 73,075 | 62,290 | 44,207 |
Landfills |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Landfill post-closure cost | 14 | 27 | 10 |
Accrued costs associated with post-closure obligations | 48 | 60 |  |
CCI |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenue from related party | 156 | $ 237 | $ 307 |
Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Leases monthly payments | $ 28 |  |  |

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- Definition Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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