DEPOSITS - Summary of Remaining Time to Maturity for Time Deposits (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Certificates of deposit (not jumbo):
Less than one year	$ 1,391,157,000	$ 712,582,000
One year to two years	47,336,000	163,260,000
Two years to three years	14,375,000	21,740,000
Three years to four years	9,207,000	11,303,000
Over four years	10,166,000	10,378,000
Total certificates of deposit (not jumbo)	1,472,241,000	919,263,000
Jumbo certificates of deposit
Less than one year	305,511,000	151,406,000
One year to two years	4,486,000	26,215,000
Two years to three years	662,000	3,732,000
Three years to four years	689,000	690,000
Over four years	728,000	707,000
Total jumbo certificates of deposit	312,076,000	182,750,000
Total certificates of deposit	1,784,317,000	$ 1,102,013,000
Jumbo certificates of deposit from individuals, businesses and municipalities	$ 250,000