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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LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Loan Receivables) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 3,610,409		$ 3,142,319
Deferred fees	(7,121)		(5,266)
Loans, net of deferred fees and unamortized costs	3,603,288		3,137,053
Allowance for loan losses	(38,121)	$ (37,377)	(35,407)	$ (33,614)	$ (32,505)	$ (26,272)
Net loans	3,565,167		3,101,646
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,964,039		2,504,388
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	611,303		591,500
Allowance for loan losses	(10,413)	(10,545)	(12,123)	(11,208)		(7,070)
Commercial and industrial \| Paycheck Protection Program loans
Loans and Leases Receivable Disclosure [Line Items]
Net loans	2,500		3,800
Consumer.
Loans and Leases Receivable Disclosure [Line Items]
Total loans	35,067		46,431
Allowance for loan losses	(1,696)	(1,774)	(1,581)	(1,175)	(961)	(754)
Commercial \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,378,074		1,887,505
Allowance for loan losses	(21,468)	(20,299)	(17,243)	(17,079)	(18,690)	(15,317)
Construction \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	150,144		112,290
Allowance for loan losses	(2,101)	(1,972)	(1,593)	(1,447)	(741)	(411)
Multi-family \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	374,555		433,239
Allowance for loan losses	(2,287)	(2,618)	(2,661)	(2,524)	(2,739)	(2,453)
One to four family \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	61,266		71,354
Allowance for loan losses	$ (156)	$ (169)	$ (206)	$ (181)	$ (242)	$ (267)