Goodwill and Identified Intangible Assets - Schedule of changes in the carrying amount of goodwill (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
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| Goodwill [Roll Forward] | ||
| Balance, beginning of the year | $ 47,481 | $ 47,461 |
| Addition | 0 | 20 |
| Balance, end of period | $ 47,481 | $ 47,481 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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