DERIVATIVES - Additional Information (Details)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($) Derivative	Mar. 31, 2022 USD ($) Contract	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Derivative	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Derivative [Line Items]
Unrealized gain				$ 35,000
Net interest income	$ 42,893,000		$ 33,845,000	82,515,000	$ 65,638,000
Swap valuation allowance				673,000
Accrued interest receivable	23,468,000			23,468,000		$ 21,589,000
Not Designated as Hedging Instrument [Member] | Commercial Real Estate Loan [Member]
Derivative [Line Items]
Swap valuation provision placed on non-accrual status						2,100,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	$ 240,000,000.0			$ 240,000,000.0		230,000,000.0
Derivative number of instruments deemed ineffective | Derivative	2			2
Notional amount, deemed ineffective	$ 50,000,000.0			$ 50,000,000.0
Unrealized gain				437,000		(3,479,000)
Net interest income	679,000		$ 1,100,000	1,700,000	$ 2,300,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative [Line Items]
Notional amount	180,000,000			180,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative [Line Items]
Notional amount	$ 60,000,000			$ 60,000,000		230,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member]
Derivative [Line Items]
Notional amount		$ 100,000,000.0
Derivative, maturity year		2023
Derivative, maturity term		5 years
Weighted-average fixed pay rate	2.25%			2.25%
Number of forward contract | Contract		4
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	$ 642,110,000			$ 642,110,000		702,210,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative [Line Items]
Accrued interest receivable	2,900,000			2,900,000		2,900,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative [Line Items]
Accrued interest payable	$ 4,800,000			$ 4,800,000		$ 4,800,000