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v3.19.3.a.u2

Debt (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 01, 2017
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  | $ 223,176 | $ 225,953 |  |
Credit facility default interest rate |  | 2.00% |  |  |
Credit facility aggregate interest rate |  | 5.19% |  |  |
Credit facility commitment fee percentage |  | 0.50% |  |  |
Line of credit facility, percentage threshold of principal amount outstanding |  | 25.00% |  |  |
Interest expense |  | $ 14,900 | 15,800 | $ 4,900 |
Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  | 220,500 | 222,750 |  |
Government Sponsored Debt [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Loan term | 9 years |  |  |  |
2.45% Sparkasse Zollernalb (KFW Loan 1) [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  | 1,061 | 1,318 |  |
Interest rate on amounts borrowed | 2.45% |  |  |  |
1.40% Sparkasse Zollernalb (KFW Loan 2) [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  | $ 1,615 | $ 1,885 |  |
Interest rate on amounts borrowed | 1.40% |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility aggregate commitments |  |  |  |  | $ 30,000
Credit facility maturity date |  | Dec. 01, 2022 |  |  |
Revolving Credit Facility [Member] | JOTEC [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility aggregate commitments |  |  |  |  | 30,000
Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 3.00% |  |  |
Revolving Credit Facility [Member] | Minimum [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 4.00% |  |  |
Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 3.25% |  |  |
Revolving Credit Facility [Member] | Maximum [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 4.25% |  |  |
Secured Debt [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility aggregate commitments |  |  |  |  | 255,000
Secured Debt [Member] | JOTEC [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility aggregate commitments |  |  |  |  | 255,000
Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  |  |  |  | 225,000
Term Loan [Member] | JOTEC [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Term loan balance |  |  |  |  | $ 225,000
Credit facility maturity date |  | Dec. 01, 2024 |  |  |
Term Loan [Member] | JOTEC [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 2.25% | 3.00% |  |
Term Loan [Member] | JOTEC [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility margin |  | 3.25% | 4.00% |  |

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