INVESTMENT SECURITIES (Schedule of Available for Sale Securities in Continuous Unrealized Loss Position and Approximate Fair Value of Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Available for Sale Securities, Fair Value
Less Than 12 Months	$ 50,783	$ 96,955
12 Months or Longer	438,163	388,355
Total	488,946	485,310
Approximate Fair Value
Less Than 12 Months	(1,934)	(5,339)
12 Months or Longer	(102,721)	(101,086)
Total	(104,655)	(106,425)
Held to Maturity Securities, Fair Value
Less Than 12 Months	10,039	28,809
12 Months or Longer	85,462	58,378
Total	95,501	87,187
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months	(253)	(5,411)
12 Months or Longer	(14,684)	(9,693)
Total	(14,937)	(15,104)
Approximate Fair Value
Fair Value, Less than 12 months	60,822	125,764
Fair Value, 12 months or longer	523,625	446,733
Fair Value	584,447	572,497
Unrealized Losses
Unrealized Losses, Less than 12 months	(2,187)	(10,750)
Unrealized Losses, 12 months or longer	(117,405)	(110,779)
Unrealized Losses	(119,592)	(121,529)
U.S. Government-Sponsored Agencies [Member]
Available for Sale Securities, Fair Value
12 Months or Longer	193,129	190,542
Total	193,129	190,542
Approximate Fair Value
12 Months or Longer	(51,655)	(54,232)
Total	(51,655)	(54,232)
Held to Maturity Securities, Fair Value
Less Than 12 Months		13,174
12 Months or Longer	35,752	22,263
Total	35,752	35,437
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months		(1,826)
12 Months or Longer	(4,248)	(2,737)
Total	(4,248)	(4,563)
Mortgage-Backed Securities-Residential [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	48,016	82,907
12 Months or Longer	213,300	174,557
Total	261,316	257,464
Approximate Fair Value
Less Than 12 Months	(1,473)	(4,082)
12 Months or Longer	(45,353)	(42,678)
Total	(46,826)	(46,760)
Held to Maturity Securities, Fair Value
Less Than 12 Months	10,039	15,635
12 Months or Longer	49,710	36,115
Total	59,749	51,750
Held to Maturity Securities, Unrealized Losses
Less Than 12 Months	(253)	(3,585)
12 Months or Longer	(10,436)	(6,956)
Total	(10,689)	(10,541)
SBA Pool Securities [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	457	3,377
12 Months or Longer	24,058	23,256
Total	24,515	26,633
Approximate Fair Value
Less Than 12 Months	(1)	(332)
12 Months or Longer	(4,305)	(4,176)
Total	(4,306)	(4,508)
State and Political Subdivisions [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	270	1,579
12 Months or Longer	1,578
Total	1,848	1,579
Approximate Fair Value
Less Than 12 Months	(1)	(17)
12 Months or Longer	(5)
Total	(6)	(17)
Corporate Bond [Member]
Available for Sale Securities, Fair Value
Less Than 12 Months	2,040	9,092
12 Months or Longer	6,098
Total	8,138	9,092
Approximate Fair Value
Less Than 12 Months	(459)	(908)
12 Months or Longer	(1,403)
Total	$ (1,862)	$ (908)

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