XML 88 R77.htm IDEA: XBRL DOCUMENT
v3.21.2

Retirement Plans - Schedule of Costs of Retirement Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Defined Contribution Plan Disclosure |  |  |  |
Expenses associated with contributions made | $ 564 | $ 482 | $ 1,677 | $ 972
United States |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Expenses associated with contributions made | 400 | 346 | 1,172 | 558
Canada |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Expenses associated with contributions made | 33 | 25 | 119 | 93
United Kingdom |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Expenses associated with contributions made | $ 131 | $ 111 | $ 386 | $ 321

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |