OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity
Balance	$ 2,624,389,000	$ 2,324,032,000	$ 1,986,111,000
Other comprehensive income (loss) before reclassifications	518,000	(850,000)
Amounts reclassified to net income		79,000
Reclassification adjustment of unrealized losses on securities transferred from held-to-maturity	0	(27,000)	0
Reclassification adjustment for net loss (gain) on sale of available-for-sale securities, included in net income	0
Other comprehensive income (loss), net of tax	518,000	(798,000)	0
Balance	2,937,995,000	2,624,389,000	2,324,032,000
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity
Balance	(844,000)	(46,000)	(46,000)
Other comprehensive income (loss), net of tax	518,000	(798,000)
Balance	(326,000)	(844,000)	(46,000)
Unrealized Loss on Available-for-Sale Securities
Increase (Decrease) in Stockholders' Equity
Balance	(844,000)	(46,000)
Other comprehensive income (loss) before reclassifications	518,000	(850,000)
Amounts reclassified to net income		79,000
Reclassification adjustment of unrealized losses on securities transferred from held-to-maturity	0	(27,000)
Reclassification adjustment for net loss (gain) on sale of available-for-sale securities, included in net income	0
Other comprehensive income (loss), net of tax	518,000	(798,000)
Balance	(326,000)	(844,000)	(46,000)
Other
Increase (Decrease) in Stockholders' Equity
Balance	0	0
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified to net income		0
Reclassification adjustment of unrealized losses on securities transferred from held-to-maturity	0	0
Reclassification adjustment for net loss (gain) on sale of available-for-sale securities, included in net income	0
Other comprehensive income (loss), net of tax	0	0
Balance	$ 0	$ 0	$ 0