FAIR VALUE - Carrying amounts and Estimated fair values (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financial Assets:
SBA servicing assets	$ 16,300	$ 19,000
Recurring
Financial Assets:
SBA servicing assets	8,422	8,162
Interest only strips	24	26
Recurring | Carrying Amount
Financial Assets:
Cash, due from banks, and federal funds sold	215,769	276,413
Securities purchased under agreements to resell	40,000	15,000
Investment securities	18,415	15,695
FHLB stock	4,873	3,842
Loans, net	1,357,095	1,154,323
Loans held for sale		85,793
Accrued interest receivable	8,270	5,101
SBA servicing assets	8,422	8,162
Mortgage servicing assets	16,064	18,068
Interest only strips	24	26
Financial Liabilities:
Deposits	1,349,898	1,307,377
Federal Home Loan Bank advances	80,000	60,000
Other borrowings	3,060	3,129
Accrued interest payable	549	890
Recurring | Estimated Fair Value
Financial Assets:
Cash, due from banks, and federal funds sold	215,769	276,413
Securities purchased under agreements to resell	40,000	15,000
Investment securities	18,415	15,695
Loans, net	1,392,379	1,169,214
Loans held for sale		88,178
Accrued interest receivable	8,270	5,101
SBA servicing assets	8,422	8,162
Mortgage servicing assets	16,312	19,035
Interest only strips	24	26
Financial Liabilities:
Deposits	1,352,328	1,308,946
Federal Home Loan Bank advances	80,000	60,000
Other borrowings	3,060	3,129
Accrued interest payable	549	890
Level 2 | Recurring | Estimated Fair Value
Financial Assets:
Cash, due from banks, and federal funds sold	215,769	276,413
Securities purchased under agreements to resell	40,000	15,000
Investment securities	6,840	3,259
Loans held for sale		88,178
Financial Liabilities:
Deposits	1,352,328	1,308,946
Federal Home Loan Bank advances	80,000	60,000
Other borrowings	3,060	3,129
Accrued interest payable	549	890
Level 3 | Recurring
Financial Assets:
SBA servicing assets	8,422	8,162
Interest only strips	24	26
Level 3 | Recurring | Estimated Fair Value
Financial Assets:
Investment securities	11,575	12,436
Loans, net	1,392,379	1,169,214
Accrued interest receivable	8,270	5,101
SBA servicing assets	8,422	8,162
Mortgage servicing assets	16,312	19,035
Interest only strips	$ 24	$ 26