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SECURITIES (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security
Schedule of Investments [Line Items] |  |
Available for sale securities past due or non-accrual | $ 0 | $ 0
Available for sale securities that had been in a continuous loss position for more than 12 months, Number of issues | security | 363 | 33
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, accumulated loss | $ 322,446,000 | $ 3,923,000
AFS securities in an unrealized loss, credit related impairment | 0 | 0
Available for sale securities, allowance for credit losses | 0 |
HTM securities past due or non accrual | 0 | 0
Restricted equity securities consist of Federal Reserve Bank stock | 67,000,000.0 | 67,000,000.0
Federal Home Loan Bank Stock | $ 53,200,000 | $ 9,800,000
Non-agency collateralized mortgage obligations |  |
Schedule of Investments [Line Items] |  |
SSFA rating percentage | 20.00% | 20.00%

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- Definition Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123599499&loc=d3e63345-112809 + Details
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