SECURITIES - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Investment Holdings [Line Items]
Proceeds from sales of securities available for sale | $	$ 267,199	$ 149,994	$ 0
Municipal bonds and obligations
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions	35
Number of securities	92
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage	4.30%
Number of HTM investment securities in unrealized loss positions	96
Number of securities in the portfolio of HTM	173
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions	12.30%
Agency collateralized mortgage obligations
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions	197
Number of securities	199
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage	18.50%
Number of HTM investment securities in unrealized loss positions	12
Number of securities in the portfolio of HTM	12
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions	16.30%
Agency commercial mortgage-backed securities
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions	119
Number of securities	123
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage	15.70%
Number of HTM investment securities in unrealized loss positions	17
Number of securities in the portfolio of HTM	17
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions	18.30%
Corporate bonds
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions	14
Number of securities	15
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage	9.90%
Other bonds and obligations
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions	2
Number of securities	3
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage	18.30%
Tax advantaged economic development bonds
Investment Holdings [Line Items]
Number of HTM investment securities in unrealized loss positions	1
Number of securities in the portfolio of HTM	2
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions	6.10%
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Before Reclassification
Investment Holdings [Line Items]
Other accumulated comprehensive (loss), before tax: | $	$ 188,900	238,000
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Reclassification
Investment Holdings [Line Items]
Other accumulated comprehensive (loss), before tax: | $		1,100
Net unrealized holding (loss) on AFS securities
Investment Holdings [Line Items]
Other accumulated comprehensive (loss), before tax: | $	(188,927)	(236,887)
Income taxes related to items of accumulated other comprehensive (loss): | $	$ 49,401	$ 61,329