INVESTMENTS (Summary of Amortized Cost and Fair Value of Held to Maturity Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	$ 534,309	$ 1,291
Unrealized Gains	0	89
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(42,550)	0
Held-to-maturity securities, fair value	491,759	1,380
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	7,422
Unrealized Gains	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(664)
Held-to-maturity securities, fair value	6,758
Obligations of states and political subdivisions
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	55,908	1,291
Unrealized Gains	0	89
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(3,595)	0
Held-to-maturity securities, fair value	52,313	$ 1,380
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	320,850
Unrealized Gains	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(27,067)
Held-to-maturity securities, fair value	293,783
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	147,753
Unrealized Gains	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(10,990)
Held-to-maturity securities, fair value	136,763
Subordinated corporate bonds
Schedule of Investments [Line Items]
Held-to-maturity securities, at amortized cost	2,376
Unrealized Gains	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(234)
Held-to-maturity securities, fair value	$ 2,142

Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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