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Equity-based compensation - Summary of Phantom Plan Award activity (Detail) - $ / shares | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 10, 2021 | Jul. 03, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of awards, Granted | 90,000 |  |  |
Number of awards, Forfeited | (900) |  |  |
Number of awards, Vested |  | 0 |  |
Bio Ventus LLC [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of awards, Granted |  |  | 1.3 |
Weighted average grant-date fair value, Granted |  |  |  | $ 0
Bio Ventus LLC [Member] | Other Phantom Unit [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted average grant-date fair value, Granted |  |  |  | $ 15.31
Bio Ventus LLC [Member] | Two Thousand and Twelve [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Beginning balance (in shares) |  |  | 658 |
Number of awards, Granted |  |  | 0 |
Number of awards, Converted to cash |  |  | 0 |
Number of awards, Forfeited |  |  | 0 |
Ending Balance (in shares) |  |  | 658 | 658
Number of awards, Awards vested |  |  | 658 |
Beginning balance (in dollars per share) |  |  | $ 5.72 |
Weighted average grant-date fair value, Granted |  |  | 0 |
Weighted average grant-date fair value, Converted to cash |  |  | 0 |
Weighted average grant-date fair value, Forfeited |  |  | 0 |
Ending balance (in dollars per share) |  |  | 5.72 | $ 5.72
Weighted average grant-date fair value, Awards vested |  |  | $ 5.72 |
Bio Ventus LLC [Member] | Two Thousand and Twelve [Member] | Other Phantom Unit [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Beginning balance (in shares) |  |  | 0 | 2
Number of awards, Vested |  |  |  | 2
Ending Balance (in shares) |  |  |  | 0
Beginning balance (in dollars per share) |  |  | $ 0 | $ 10.01
Weighted average grant-date fair value, Vested |  |  |  | 10.01
Ending balance (in dollars per share) |  |  |  | $ 0
Bio Ventus LLC [Member] | Two Thousand and Fifteen [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Beginning balance (in shares) |  |  | 1,139 |
Number of awards, Granted |  |  | 553 |
Number of awards, Converted to cash |  |  | (146) |
Number of awards, Forfeited |  |  | (124) |
Ending Balance (in shares) |  |  | 1,422 | 1,139
Number of awards, Awards vested |  |  | 495 |
Beginning balance (in dollars per share) |  |  | $ 10.24 |
Weighted average grant-date fair value, Granted |  |  | 10.29 |
Weighted average grant-date fair value, Converted to cash |  |  | 6.45 |
Weighted average grant-date fair value, Forfeited |  |  | 12.98 |
Ending balance (in dollars per share) |  |  | 10.41 | $ 10.24
Weighted average grant-date fair value, Awards vested |  |  | $ 8.15 |
Bio Ventus LLC [Member] | Two Thousand and Fifteen [Member] | Other Phantom Unit [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Beginning balance (in shares) |  |  | 927 | 667
Number of awards, Vested |  |  |  | 147
Ending Balance (in shares) |  |  |  | 927
Beginning balance (in dollars per share) |  |  | $ 11.62 | $ 12.71
Weighted average grant-date fair value, Vested |  |  |  | 10.81
Ending balance (in dollars per share) |  |  |  | $ 11.62

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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