MARKETABLE SECURITIES - Schedule of Securities with Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Gross Unrealized Losses
Less Than 12 Months	$ (6,693)	$ (20,637)
12 Months or Longer	(25,778)	(13,961)
Total	(32,471)	(34,598)
Estimated Fair Value
Less Than 12 Months	252,036	348,119
12 Months or Longer	143,385	64,714
Total	395,421	412,833
Gross Unrealized Losses
Less Than 12 Months	(1,115)	(8,584)
12 Months or Longer	(18,481)	(10,984)
Total	(19,596)	(19,568)
Estimated Fair Value
Less Than 12 Months	31,751	112,703
12 Months or Longer	138,429	66,701
Total	170,180	179,404
U.S. government agencies
Gross Unrealized Losses
Less Than 12 Months	0	(1,259)
12 Months or Longer	(1,166)	0
Total	(1,166)	(1,259)
Estimated Fair Value
Less Than 12 Months	(0)	7,882
12 Months or Longer	8,012	0
Total	8,012	7,882
Corporate bonds
Gross Unrealized Losses
Less Than 12 Months	(550)	(1,518)
12 Months or Longer	(1,752)	(659)
Total	(2,302)	(2,177)
Estimated Fair Value
Less Than 12 Months	8,975	20,323
12 Months or Longer	18,666	7,464
Total	27,641	27,787
Mortgage-backed securities
Gross Unrealized Losses
Less Than 12 Months	(2,851)	(8,355)
12 Months or Longer	(11,875)	(6,353)
Total	(14,726)	(14,708)
Estimated Fair Value
Less Than 12 Months	47,028	80,556
12 Months or Longer	68,384	37,429
Total	115,412	117,985
Gross Unrealized Losses
Less Than 12 Months	(441)	(6,150)
12 Months or Longer	(15,168)	(9,406)
Total	(15,609)	(15,556)
Estimated Fair Value
Less Than 12 Months	17,739	74,146
12 Months or Longer	105,836	55,826
Total	123,575	129,972
Collateralized mortgage obligations
Gross Unrealized Losses
Less Than 12 Months	(384)	(1,031)
12 Months or Longer	(6,705)	(6,394)
Total	(7,089)	(7,425)
Estimated Fair Value
Less Than 12 Months	4,706	10,750
12 Months or Longer	29,069	23,584
Total	33,775	34,334
Gross Unrealized Losses
Less Than 12 Months	(124)	(908)
12 Months or Longer	(1,561)	(919)
Total	(1,685)	(1,827)
Estimated Fair Value
Less Than 12 Months	5,037	16,575
12 Months or Longer	13,927	3,411
Total	18,964	19,986
Municipal securities
Gross Unrealized Losses
Less Than 12 Months	(1,543)	(7,071)
12 Months or Longer	(6,032)	(1,214)
Total	(7,575)	(8,285)
Estimated Fair Value
Less Than 12 Months	88,278	118,117
12 Months or Longer	37,920	3,701
Total	126,198	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	(1,915)	(2,921)
12 Months or Longer	0	0
Total	(1,915)	(2,921)
Estimated Fair Value
Less Than 12 Months	112,024	130,814
12 Months or Longer	0	0
Total	$ 112,024	$ 130,814