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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2020
Fair Value Measurements  
Schedule of classified liabilities measured at fair value on recurring basis

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Fair Value Measurement

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at Reporting Date Using

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Balance as of

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Level 1

    

Level 2

    

Level 3

    

June 30, 2020

Liabilities

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Acquisition-related contingent consideration - long-term

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$

—

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$

—

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$

11,400

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$

11,400

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Fair Value Measurement

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at Reporting Date Using

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Balance as of

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Level 1

    

Level 2

    

Level 3

    

December 31, 2019

Liabilities

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Acquisition-related contingent consideration - long-term

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$

—

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$

—

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$

10,800

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$

10,800

Schedule of reconciliation of liability measured at fair value on recurring basis using significant unobservable inputs (Level 3)

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Balance at December 31, 2019

    

$

10,800

Adjustments to fair value measurement

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600

Balance at June 30, 2020

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$

11,400

Schedule of carrying value and fair value of financial instruments

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Face Value

    

Carrying Value

    

Fair Value

1.75% Convertible Senior Subordinated Notes due 2026

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$

325,000

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$

232,658

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$

332,111