SECURITIES, Amortized Cost and Fair Value of Securities with Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available for sale [Abstract]
Amortized cost	$ 713,710	$ 804,469
Gross unrealized gains	0	27
Gross unrealized losses	(128,741)	(102,785)
Allowance for credit losses	0
Fair value	584,969	701,711
State and Municipal [Member]
Available for sale [Abstract]
Amortized cost	203,433	259,429
Gross unrealized gains	0	27
Gross unrealized losses	(42,860)	(34,401)
Allowance for credit losses	0
Fair value	160,573	225,055
Residential Mortgage-backed Securities [Member]
Available for sale [Abstract]
Amortized cost	358,405	386,783
Gross unrealized gains	0	0
Gross unrealized losses	(73,054)	(57,938)
Allowance for credit losses	0
Fair value	285,351	328,845
Commercial Mortgage-backed Securities [Member]
Available for sale [Abstract]
Amortized cost	48,219	49,161
Gross unrealized gains	0	0
Gross unrealized losses	(8,505)	(7,194)
Allowance for credit losses	0
Fair value	39,714	41,967
Commercial Collateralized Mortgage Obligations [Member]
Available for sale [Abstract]
Amortized cost	72,612	76,189
Gross unrealized gains	0	0
Gross unrealized losses	(659)	(551)
Allowance for credit losses	0
Fair value	71,953	75,638
Asset-backed and Other Amortizing Securities [Member]
Available for sale [Abstract]
Amortized cost	19,041	20,907
Gross unrealized gains	0	0
Gross unrealized losses	(2,278)	(1,813)
Allowance for credit losses	0
Fair value	16,763	19,094
Other Securities [Member]
Available for sale [Abstract]
Amortized cost	12,000	12,000
Gross unrealized gains	0	0
Gross unrealized losses	(1,385)	(888)
Allowance for credit losses	0
Fair value	$ 10,615	$ 11,112

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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
-Topic 320
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Amount 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).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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