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INTANGIBLE ASSETS, NET - Amortization of Referral Relationships and Non-Competition Agreements (Details)
$ in Thousands
Mar. 31, 2017
USD ($)
Referral Relationships [Member]  
Finite Lived Intangible Assets [Line Items]  
2017 $ 1,878
2018 1,846
2019 1,758
2020 1,758
2021 1,758
2022 1,709
2023 1,601
2024 1,483
2025 1,376
2026 915
2027 755
2028 297
2029 45
Non-compete Agreements [Member]  
Finite Lived Intangible Assets [Line Items]  
2017 782
2018 733
2019 661
2020 448
2021 370
2022 $ 15