LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Loans by Impairment Method) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	$ 4,237	$ 4,918
Collectively evaluated for impairment, Allowance for loan losses	31,265	30,489
Total ending allowance balance	35,502	35,407	$ 30,924	$ 26,272
Individually evaluated for impairment, Loans	16,787	17,733
Collectively evaluated for impairment, Loans	3,226,326	3,124,586
Total ending loan balance	3,243,113	3,142,319
Real estate
Loans and Leases Receivable Disclosure [Line Items]
Total ending loan balance	2,614,105	2,504,388
Real estate \| Commercial
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	18,341	17,243
Total ending allowance balance	18,341	17,243	17,369	15,317
Individually evaluated for impairment, Loans	10,340	10,345
Collectively evaluated for impairment, Loans	1,970,878	1,877,160
Total ending loan balance	1,981,218	1,887,505
Real estate \| Construction
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	1,707	1,593
Total ending allowance balance	1,707	1,593	620	411
Collectively evaluated for impairment, Loans	121,122	112,290
Total ending loan balance	121,122	112,290
Real estate \| Multi-family
Loans and Leases Receivable Disclosure [Line Items]
Collectively evaluated for impairment, Allowance for loan losses	2,732	2,661
Total ending allowance balance	2,732	2,661	2,708	2,453
Collectively evaluated for impairment, Loans	445,284	433,239
Total ending loan balance	445,284	433,239
Real estate \| One to four family
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	44	53
Collectively evaluated for impairment, Allowance for loan losses	134	153
Total ending allowance balance	178	206	203	267
Individually evaluated for impairment, Loans	982	999
Collectively evaluated for impairment, Loans	65,499	70,355
Total ending loan balance	66,481	71,354
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	2,814	3,662
Collectively evaluated for impairment, Allowance for loan losses	8,013	8,461
Total ending allowance balance	10,827	12,123	9,493	7,070
Individually evaluated for impairment, Loans	3,337	4,192
Collectively evaluated for impairment, Loans	583,755	587,308
Total ending loan balance	587,092	591,500
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment, Allowance for loan losses	1,379	1,203
Collectively evaluated for impairment, Allowance for loan losses	338	378
Total ending allowance balance	1,717	1,581	$ 531	$ 754
Individually evaluated for impairment, Loans	2,128	2,197
Collectively evaluated for impairment, Loans	39,788	44,234
Total ending loan balance	$ 41,916	$ 46,431

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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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 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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