INVESTMENT SECURITIES (Schedule of Available for Sale Securities in Continuous Unrealized Loss Position and Approximate Fair Value of Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Available for Sale Securities, Fair Value
Less Than 12 Months	$ 49,940	$ 96,955
12 Months or Longer	438,868	388,355
Total	488,808	485,310
Approximate Fair Value
Less Than 12 Months	(1,253)	(5,339)
12 Months or Longer	(96,436)	(101,086)
Total	(97,689)	(106,425)
Held to Maturity Securities, Fair Value
Less Than 12 Months	2,019	28,809
12 Months or Longer	87,639	58,378
Total	89,658	87,187
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months	(31)	(5,411)
12 Months or Longer	(13,611)	(9,693)
Total	(13,642)	(15,104)
Approximate Fair Value
Fair Value, Less than 12 months	51,959	125,764
Fair Value, 12 months or longer	526,507	446,733
Fair Value	578,466	572,497
Unrealized Losses
Unrealized Losses, Less than 12 months	(1,284)	(10,750)
Unrealized Losses, 12 months or longer	(110,047)	(110,779)
Unrealized Losses	(111,331)	(121,529)
U.S. Government-Sponsored Agencies [Member]
Available for Sale Securities, Fair Value
12 Months or Longer	194,788	190,542
Total	194,788	190,542
Approximate Fair Value
12 Months or Longer	(49,992)	(54,232)
Total	(49,992)	(54,232)
Held to Maturity Securities, Fair Value
Less Than 12 Months		13,174
12 Months or Longer	35,999	22,263
Total	35,999	35,437
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months		(1,826)
12 Months or Longer	(4,001)	(2,737)
Total	(4,001)	(4,563)
Mortgage-Backed Securities-Residential [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	42,964	82,907
12 Months or Longer	214,736	174,557
Total	257,700	257,464
Approximate Fair Value
Less Than 12 Months	(593)	(4,082)
12 Months or Longer	(42,133)	(42,678)
Total	(42,726)	(46,760)
Held to Maturity Securities, Fair Value
Less Than 12 Months	2,019	15,635
12 Months or Longer	51,640	36,115
Total	53,659	51,750
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months	(31)	(3,585)
12 Months or Longer	(9,610)	(6,956)
Total	(9,641)	(10,541)
SBA Pool Securities [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	136	3,377
12 Months or Longer	25,614	23,256
Total	25,750	26,633
Approximate Fair Value
Less Than 12 Months		(332)
12 Months or Longer	(3,951)	(4,176)
Total	(3,951)	(4,508)
State and Political Subdivisions [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months		1,579
12 Months or Longer	1,582
Total	1,582	1,579
Approximate Fair Value
Less Than 12 Months		(17)
12 Months or Longer	(8)
Total	(8)	(17)
Corporate Bond [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	6,840	9,092
12 Months or Longer	2,148
Total	8,988	9,092
Approximate Fair Value
Less Than 12 Months	(660)	(908)
12 Months or Longer	(352)
Total	$ (1,012)	$ (908)

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