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Thyroid Cytopathology Partners (Details) - Thyroid Cytopathology Partners - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Thyroid Cytopathology Partners |  |
Notice of intent not to renew period | 12 months |
Reduction to rent expense for TCP's portion of costs for subleased space |  | $ 11

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