SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of estimated useful life for the intangible assets) (Details)
|
12 Months Ended |
Dec. 31, 2017 |
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| Customer relationship [Member] | Minimum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
5 years
|
| Customer relationship [Member] | Maximum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
16 years
|
| Operating Lease [Member] | Minimum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
9 years
|
| Operating Lease [Member] | Maximum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
16 years
|
| Medical insurance coverage [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
10 years
|
| Radiotherapy permits [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
7 years
|
| Software [Member] | Minimum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
3 years
|
| Software [Member] | Maximum [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Amortization period |
5 years
|