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Intangible Assets, Net | 9 Months Ended
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Sep. 30, 2018
Intangible Assets, Net [Abstract] |
Intangible Assets, Net | 9.INTANGIBLE ASSETS, NET Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2018:
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ | Gross Carrying Amount |  | Accumulated Amortization |  |  | Accumulated Impairment Loss |  | Net Carrying Amount
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |
﻿Long-term franchise agreements and contracts | $ | 483,749 |  | $ | (150,691) |  | $ | - |  | $ | 333,058
﻿Customer lists |  | 429,801 |  |  | (219,104) |  |  | - |  |  | 210,697
﻿Permits and other |  | 349,207 |  |  | (46,120) |  |  | - |  |  | 303,087
﻿ |  | 1,262,757 |  |  | (415,915) |  |  | - |  |  | 846,842
﻿Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |
﻿Solid waste collection and transportation permits |  | 158,591 |  |  | - |  |  | - |  |  | 158,591
﻿Material recycling facility permits |  | 42,283 |  |  | - |  |  | - |  |  | 42,283
﻿E&P facility permits |  | 59,855 |  |  | - |  |  | (38,507) |  |  | 21,348
﻿ |  | 260,729 |  |  | - |  |  | (38,507) |  |  | 222,222
﻿Intangible assets, exclusive of goodwill | $ | 1,523,486 |  | $ | (415,915) |  | $ | (38,507) |  | $ | 1,069,064
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ The weighted-average amortization period of long-term franchise agreements and contracts acquired during the nine months ended September 30, 2018 was 16.3 years. The weighted-average amortization period of customer lists acquired during the nine months ended September 30, 2018 was 10.0 years. The weighted-average amortization period of finite-lived permits and other intangibles acquired during the nine months ended September 30, 2018 was 40.0 years. Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2017:
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ | Gross Carrying Amount |  | Accumulated Amortization |  |  | Accumulated Impairment Loss |  | Net Carrying Amount
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |
﻿Long-term franchise agreements and contracts | $ | 481,293 |  | $ | (123,591) |  | $ | - |  | $ | 357,702
﻿Customer lists |  | 405,683 |  |  | (180,440) |  |  | - |  |  | 225,243
﻿Permits and other |  | 317,984 |  |  | (35,715) |  |  | - |  |  | 282,269
﻿ |  | 1,204,960 |  |  | (339,746) |  |  | - |  |  | 865,214
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |
﻿Solid waste collection and transportation permits |  | 158,591 |  |  | - |  |  | - |  |  | 158,591
﻿Material recycling facility permits |  | 42,283 |  |  | - |  |  | - |  |  | 42,283
﻿E&P facility permits |  | 59,855 |  |  | - |  |  | (38,507) |  |  | 21,348
﻿ |  | 260,729 |  |  | - |  |  | (38,507) |  |  | 222,222
﻿Intangible assets, exclusive of goodwill | $ | 1,465,689 |  | $ | (339,746) |  | $ | (38,507) |  | $ | 1,087,436
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ Estimated future amortization expense for the next five years relating to finite-lived intangible assets is as follows:
﻿ |  |  |
﻿For the year ending December 31, 2018 |  | $ | 105,991
﻿For the year ending December 31, 2019 |  | $ | 95,653
﻿For the year ending December 31, 2020 |  | $ | 85,751
﻿For the year ending December 31, 2021 |  | $ | 75,561
﻿For the year ending December 31, 2022 |  | $ | 65,904
﻿

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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