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Acquisition Of JOTEC (Narrative) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 01, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |
Total consideration | $ 222,200 |  |  |
Term loan balance |  | $ 223,176 | $ 225,953 |
Cash consideration |  |  |  | $ 409
JOTEC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Agreement date |  | Dec. 01, 2017 |  |
Acquisition price | 225,000 |  |  |
Cash consideration | $ 169,100 |  |  |
Transaction and integration costs |  | $ 1,000 | $ 7,400 | $ 7,700
JOTEC [Member] | Common Stock [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common shares issued | 2,682,754 |  |  |
Common stock value issued in business combination | $ 53,100 |  |  |
Term Loan [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Term loan balance | 225,000 |  |  |
Term Loan [Member] | JOTEC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Term loan balance | 225,000 |  |  |
Secured Debt [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Credit facility aggregate commitments | 255,000 |  |  |
Secured Debt [Member] | JOTEC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Credit facility aggregate commitments | 255,000 |  |  |
Revolving Credit Facility [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Credit facility aggregate commitments | 30,000 |  |  |
Revolving Credit Facility [Member] | JOTEC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Credit facility aggregate commitments | $ 30,000 |  |  |

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