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Segment Information - Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Segment Reporting Information [Line Items] |  |  |
Total long-lived assets |  | $ 270,268 | $ 257,621
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Total long-lived assets |  | 213,276 | 202,275
Israel |  |  |
Segment Reporting Information [Line Items] |  |  |
Total long-lived assets |  | 19,162 | 16,657
Australia |  |  |
Segment Reporting Information [Line Items] |  |  |
Total long-lived assets |  | 13,058 | 13,792
Netherlands |  |  |
Segment Reporting Information [Line Items] |  |  |
Total long-lived assets |  | 7,854 | 8,301
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total long-lived assets | [1] | $ 16,918 | $ 16,596
[1] | United Kingdom, Germany, Japan, France, and Italy

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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
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Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
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- Details
Name: | srt_StatementGeographicalAxis=country_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_AU
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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