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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Reserve balances required | $ 92.7 | $ 72.8
Deposits at other financial institutions in excess of FDIC insured limits | $ 20.0 | $ 42.0
Deposits at other financial institutions in excess of FDIC insured limits, yield (as a percent) | 0.25% | 2.50%

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- Definition Due from Banks, at or Above FDIC Insurance Limit + References No definition available. + Details
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- Definition Due from Banks, at or Above FDIC Insurance Limit, Yield, Percentage + References No definition available. + Details
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- Definition Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116631393&loc=SL116631396-227033 + Details
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