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Organization and Summary of Significant Accounting Policies - VIEs and Cash and Due from Banks (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Cash and Due from Banks |  |
Average cash reserves required with Federal Reserve Bank | $ 0 | $ 18,400
Included in other liabilities | VIEs, not primary beneficiary |  |
Variable Interest Entities |  |
Unfunded commitments to fund low-income housing partnerships | $ 62,600 | $ 89,000

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- Definition Amount of commitment or contingent commitments to qualified affordable housing project investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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