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Commitments, Contingencies and Concentrations of Credit Risk - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other Commitments [Line Items] |  |  |
Fixed-rate loan commitments | 90 days |  |
Unfunded capital commitments related to investment funds | $ 9,100 |  |
Operating lease expense | 5,935 | $ 6,438 | $ 3,904
Premises and Equipment |  |  |
Other Commitments [Line Items] |  |  |
Operating lease expense | $ 7,200 | $ 7,900 | $ 5,000
Minimum |  |  |
Other Commitments [Line Items] |  |  |
Interest rates | 1.43% |  |
Maximum |  |  |
Other Commitments [Line Items] |  |  |
Interest rates | 9.00% |  |

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- Definition Fixed Rate Of Interest On Loans + References No definition available. + Details
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- Definition Unfunded Capital Commitments Related To Investment Funds + References No definition available. + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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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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