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EXIT and DISPOSAL ACTIVITIES (Additional Information) (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2015 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2013
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  |  | $ 2,987,668 |  |  |
Maintenance expenses |  |  |  |  | $ 3,000,000 |
Property, Plant and Equipment, Net |  | $ 611,616,459 | 485,466,417 |  |  |
Prepaid land use rights [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Property, Plant and Equipment, Net |  | 1,700,000 |  |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Relocation costs |  |  |  | $ 2,600,000 |  |
polysilicon assets [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  | 11,500,000 |  |  |  |
Property, Plant and Equipment, Net |  | 11,500,000 |  |  |  |
Wafer Manufacturing operations [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  | 7,300,000 |  |  |  |
Carrying Value [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Property, Plant, and Equipment, Fair Value Disclosure |  | 78,293,526 |  |  |  |
Carrying Value [Member] | Significant Production Assets [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Property, Plant, and Equipment, Fair Value Disclosure |  |  |  | 200,000 |  | $ 144,700,000
Impairment of Long-Lived Assets Held-for-use | $ 1,600,000 |  |  | 200,000 |  |
Carrying value of assets relocated |  |  |  | $ 34,100,000 |  |
Relocation costs |  | $ 200,000 |  |  |  |
Property Plant And Equipment, Expected to be Relocated |  |  | $ 200,000 |  |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 + Details
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