LOANS (Schedule of Past Due Loans) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 3,144	$ 3,086
Loans not Past Due	2,674,775	1,864,263
Total loans	2,677,919	1,867,349
30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	982	2,659
60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	14	138
Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,148	289
Real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	2,157,344	1,378,867
Real estate | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans not Past Due	1,668,236	949,778
Total loans	1,668,236	949,778
Real estate | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans not Past Due	30,827	42,540
Total loans	30,827	42,540
Real estate | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans not Past Due	375,611	307,126
Total loans	375,611	307,126
Real estate | One to four family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		870
Loans not Past Due	82,670	78,553
Total loans	82,670	79,423
Real estate | One to four family | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		870
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,801	2,004
Loans not Past Due	446,818	379,688
Total loans	448,619	381,692
Commercial and industrial | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	346	1,670
Commercial and industrial | 60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		95
Commercial and industrial | Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,455	239
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,343	212
Loans not Past Due	70,613	106,578
Total loans	71,956	106,790
Consumer | 30 - 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	636	119
Consumer | 60 - 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	14	43
Consumer | Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 693	$ 50