FAIR VALUE (Schedule of Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial Assets:
Securities available for sale	$ 601,163	$ 796,753
Securities held to maturity	106,816	108,680
FHLB and FRB stock	18,570	12,950
Loans held for sale, at fair value	605	3,040
Loans held for sale, at lower of cost or fair value	26,350	34,051
Accrued interest receivable	22,890	21,589
Fair Value	601,163	796,753
Securities held to maturity (fair value $100,314 at March 31, 2022 and $108,460 at December 31, 2021)	106,816	108,680
Financial Liabilities:
Overnight borrowings with FHLB	122,085
Carrying Value [Member]
Financial Assets:
Cash and cash equivalents	113,960	146,804
Securities available for sale	601,163	796,753
Securities held to maturity	106,816	108,680
CRA investment fund	14,003	14,685
FHLB and FRB stock	18,570	12,950
Loans held for sale, at fair value	605	3,040
Loans held for sale, at lower of cost or fair value	26,350	34,051
Loans, net of allowance for credit losses	5,063,816
Loans, net of allowance for loan and lease losses		4,745,024
Accrued interest receivable	22,890	21,589
Fair Value	601,163	796,753
Securities held to maturity (fair value $100,314 at March 31, 2022 and $108,460 at December 31, 2021)	106,816	108,680
Financial Liabilities:
Deposits	5,387,416	5,266,149
Overnight borrowings with FHLB	122,085
Subordinated debt	132,772	132,701
Accrued interest payable	1,928	651
Carrying Value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Accrued interest receivable	3,642	4,842
Derivatives	8,908	32,326
Financial Liabilities:
Accrued interest payable	3,642	4,842
Derivatives	9,034	34,569
Carrying Value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	391
Financial Liabilities:
Derivatives	1,074	3,479
Fair value [Member]
Financial Assets:
Cash and cash equivalents	113,960	146,804
Securities available for sale	601,163	796,753
Securities held to maturity	100,314	108,460
CRA investment fund	14,003	14,685
Loans held for sale, at fair value	605	3,040
Loans held for sale, at lower of cost or fair value	29,644	37,538
Loans, net of allowance for credit losses	4,887,836
Loans, net of allowance for loan and lease losses		4,767,293
Accrued interest receivable	22,890	21,589
Fair Value	601,163	796,753
Securities held to maturity (fair value $100,314 at March 31, 2022 and $108,460 at December 31, 2021)	100,314	108,460
Financial Liabilities:
Deposits	5,383,750	5,268,000
Overnight borrowings with FHLB	122,085
Subordinated debt	131,839	140,556
Accrued interest payable	1,928	651
Fair value [Member] | Quoted Prices in Active Market For Identical Assets (Level 1) [Member]
Financial Assets:
Cash and cash equivalents	113,960	146,804
CRA investment fund	14,003	14,685
Financial Liabilities:
Deposits	4,937,328	4,791,341
Accrued interest payable	163	130
Fair value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Securities available for sale	601,163	796,753
Securities held to maturity	100,314	108,460
Loans held for sale, at fair value	605	3,040
Loans held for sale, at lower of cost or fair value	29,644	37,538
Accrued interest receivable	2,071	2,443
Fair Value	601,163	796,753
Securities held to maturity (fair value $100,314 at March 31, 2022 and $108,460 at December 31, 2021)	100,314	108,460
Financial Liabilities:
Deposits	446,422	476,659
Overnight borrowings with FHLB	122,085
Accrued interest payable	400	446
Fair value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial Assets:
Loans, net of allowance for credit losses	4,887,836
Loans, net of allowance for loan and lease losses		4,767,293
Accrued interest receivable	20,819	19,146
Financial Liabilities:
Subordinated debt	131,839	140,556
Accrued interest payable	1,365	75
Fair value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Accrued interest receivable	3,642	4,842
Derivatives	8,908	32,326
Financial Liabilities:
Accrued interest payable	3,642	4,842
Derivatives	9,034	34,569
Fair value [Member] | Not Designated as Hedging Instrument [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Accrued interest receivable	3,642	4,842
Derivatives	8,908	32,326
Financial Liabilities:
Accrued interest payable	3,642	4,842
Derivatives	9,034	34,569
Fair value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	391
Financial Liabilities:
Derivatives	1,074	3,479
Fair value [Member] | Designated as Hedging Instrument [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Derivatives	391
Financial Liabilities:
Derivatives	$ 1,074	$ 3,479