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LOANS (Schedule of Loan Receivables) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 3,142,319	$ 2,677,919
Deferred fees	(5,266)	(4,970)
Loans, net of deferred fees and unamortized costs	3,137,053	2,672,949
Allowance for loan losses	(35,407)	(26,272)	$ (18,942)
Net loans	3,101,646	2,646,677
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,504,388	2,157,344
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	591,500	448,619
Allowance for loan losses	(12,123)	(7,070)	(6,257)
Commercial and industrial | Paycheck Protection Program loans
Loans and Leases Receivable Disclosure [Line Items]
Net loans	3,800
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total loans	46,431	71,956
Allowance for loan losses	(1,581)	(754)	(748)
Commercial | Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,887,505	1,668,236
Allowance for loan losses	(17,243)	(15,317)	(9,037)
Construction | Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	112,290	30,827
Allowance for loan losses	(1,593)	(411)	(625)
Multi-family | Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	433,239	375,611
Allowance for loan losses	(2,661)	(2,453)	(2,047)
One to four family | Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	71,354	82,670
Allowance for loan losses	$ (206)	$ (267)	$ (228)

X

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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