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, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 2,994,798		$ 2,677,919
Deferred fees	(5,248)		(4,970)
Loans, net of deferred fees and unamortized costs	2,989,550		2,672,949
Allowance for loan losses	(33,614)		(26,272)	$ (24,444)	$ (22,715)	$ (18,942)
Net loans	2,955,936		2,646,677
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,415,316		2,157,344
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	528,063		448,619
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	51,419		71,956
Commercial \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,842,969		1,668,236
Allowance for loan losses	(17,079)	$ (18,690)	(15,317)	(14,229)	(13,006)	(9,037)
Commercial \| Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total loans	528,063		448,619
Allowance for loan losses	(11,208)	(9,132)	(7,070)	(6,490)	(6,142)	(6,257)
Construction \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	100,957		30,827
Allowance for loan losses	(1,447)	(741)	(411)	(507)	(501)	(625)
Consumer \| Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total loans	51,419		71,956
Allowance for loan losses	(1,175)	(961)	(754)	(643)	(564)	(748)
Multi-family \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	407,802		375,611
Allowance for loan losses	(2,524)	(2,739)	(2,453)	(2,353)	(2,249)	(2,047)
One to four family \| Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans	63,588		82,670
Allowance for loan losses	$ (181)	$ (242)	$ (267)	$ (222)	$ (253)	$ (228)