MARKETABLE SECURITIES - Schedule of Securities with Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Gross Unrealized Losses
Less Than 12 Months	$ (3,765)	$ (20,637)
12 Months or Longer	(31,243)	(13,961)
Total	(35,008)	(34,598)
Estimated Fair Value
Less Than 12 Months	164,416	348,119
12 Months or Longer	213,831	64,714
Total	378,247	412,833
Gross Unrealized Losses
Less Than 12 Months	(734)	(8,584)
12 Months or Longer	(20,749)	(10,984)
Total	(21,483)	(19,568)
Estimated Fair Value
Less Than 12 Months	18,117	112,703
12 Months or Longer	145,891	66,701
Total	164,008	179,404
U.S. government agencies
Gross Unrealized Losses
Less Than 12 Months	0	(1,259)
12 Months or Longer	(1,235)	0
Total	(1,235)	(1,259)
Estimated Fair Value
Less Than 12 Months	0	7,882
12 Months or Longer	7,981	0
Total	7,981	7,882
Corporate bonds
Gross Unrealized Losses
Less Than 12 Months	0	(1,518)
12 Months or Longer	(3,133)	(659)
Total	(3,133)	(2,177)
Estimated Fair Value
Less Than 12 Months	0	20,323
12 Months or Longer	26,790	7,464
Total	26,790	27,787
Mortgage-backed securities
Gross Unrealized Losses
Less Than 12 Months	(915)	(8,355)
12 Months or Longer	(14,819)	(6,353)
Total	(15,734)	(14,708)
Estimated Fair Value
Less Than 12 Months	9,757	80,556
12 Months or Longer	99,514	37,429
Total	109,271	117,985
Gross Unrealized Losses
Less Than 12 Months	(734)	(6,150)
12 Months or Longer	(15,701)	(9,406)
Total	(16,435)	(15,556)
Estimated Fair Value
Less Than 12 Months	18,117	74,146
12 Months or Longer	103,323	55,826
Total	121,440	129,972
Collateralized mortgage obligations
Gross Unrealized Losses
Less Than 12 Months	0	(1,031)
12 Months or Longer	(7,762)	(6,394)
Total	(7,762)	(7,425)
Estimated Fair Value
Less Than 12 Months	3,911	10,750
12 Months or Longer	35,816	23,584
Total	31,905	34,334
Gross Unrealized Losses
Less Than 12 Months	0	(908)
12 Months or Longer	(1,915)	(919)
Total	(1,915)	(1,827)
Estimated Fair Value
Less Than 12 Months	0	16,575
12 Months or Longer	15,778	3,411
Total	15,778	19,986
Municipal securities
Gross Unrealized Losses
Less Than 12 Months	(722)	(7,071)
12 Months or Longer	(7,427)	(1,214)
Total	(8,149)	(8,285)
Estimated Fair Value
Less Than 12 Months	71,567	118,117
12 Months or Longer	70,520	3,701
Total	142,087	121,818
Gross Unrealized Losses
Less Than 12 Months		(8)
12 Months or Longer		0
Total		(8)
Estimated Fair Value
Less Than 12 Months		1,659
12 Months or Longer		0
Total		1,659
US Treasury Securities [Member]
Gross Unrealized Losses
Less Than 12 Months	(2,128)	(2,921)
12 Months or Longer	0	0
Total	(2,128)	(2,921)
Estimated Fair Value
Less Than 12 Months	87,003	130,814
12 Months or Longer	0	0
Total	$ 87,003	$ 130,814