SECURITIES - Contractual maturity (Details)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2020 USD ($) security	Jun. 30, 2020 USD ($) security	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) security	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) security
Securities
Pledged as collateral		$ 49,400,000		$ 49,400,000
Fair Value						$ 26,927,000
Amortized Cost-Available-for-Sale
After 1 year through 5 years		5,000,000		5,000,000
After 5 years through 10 years		5,004,000		5,004,000
Over 10 years		2,002,000		2,002,000
Total for contractual maturity		12,006,000		12,006,000
Amortized Cost		257,276,000		257,276,000		237,574,000
Fair Value-Available-for-Sale
After 1 year through 5 years		5,049,000		5,049,000
After 5 years through 10 years		5,160,000		5,160,000
Over 10 years		2,007,000		2,007,000
Total for contractual maturity		12,216,000		12,216,000
Total		262,710,000		262,710,000		239,473,000
Amortized Cost-Held-to-Maturity
Amortized Cost						26,372,000
Gross Unrealized Gains						$ 561,000
Sales
Proceeds		1,604,000	$ 28,391,000	72,333,000	$ 28,391,000
Gross gains			1,267,000	2,521,000	1,267,000
Calls
Proceeds		4,968,000	$ 5,740,000	6,635,000	$ 8,370,000
Gross gains		$ 8,000		$ 12,000
Mortgage-backed securities
Securities
Number of securities pledged | security		23		23		7
Pledged as collateral		$ 49,400,000		$ 49,400,000		$ 15,700,000
HTM securities
Securities
Number of securities sold | security	5
Sold HTM securities
Securities
Realized gain	$ 1,300,000
Amortized Cost-Held-to-Maturity
Amortized Cost	4,500,000
Transferred securities
Securities
Transfer amount	21,500,000
Fair Value-Available-for-Sale
Total	22,100,000
Amortized Cost-Held-to-Maturity
Gross Unrealized Gains	$ 522,000
U.S. government agency and government-sponsored residential mortgage-backed securities
Securities
Fair Value						12,762,000
Amortized Cost-Available-for-Sale
No single maturity date		204,155,000		204,155,000
Amortized Cost		204,155,000		204,155,000		163,982,000
Fair Value-Available-for-Sale
No single maturity date		207,943,000		207,943,000
Total		207,943,000		207,943,000		165,173,000
Amortized Cost-Held-to-Maturity
Amortized Cost						12,682,000
Gross Unrealized Gains						86,000
U.S. government-sponsored collateralized mortgage obligations
Securities
Fair Value						1,502,000
Amortized Cost-Available-for-Sale
No single maturity date		22,934,000		22,934,000
Amortized Cost		22,934,000		22,934,000		26,137,000
Fair Value-Available-for-Sale
No single maturity date		23,505,000		23,505,000
Total		23,505,000		23,505,000		26,373,000
Amortized Cost-Held-to-Maturity
Amortized Cost						1,433,000
Gross Unrealized Gains						69,000
SBA asset-backed securities
Securities
Fair Value						5,432,000
Amortized Cost-Available-for-Sale
No single maturity date		18,181,000		18,181,000
Amortized Cost		18,181,000		18,181,000		32,461,000
Fair Value-Available-for-Sale
No single maturity date		19,046,000		19,046,000
Total		19,046,000		$ 19,046,000		32,723,000
Amortized Cost-Held-to-Maturity
Amortized Cost						5,308,000
Gross Unrealized Gains						124,000
SBA asset-backed securities | Minimum
Securities
Maturity period				2 years
SBA asset-backed securities | Maximum
Securities
Maturity period				30 years
Municipal bonds
Securities
Callable period				2 months
Fair Value						7,231,000
Amortized Cost-Available-for-Sale
Amortized Cost		2,002,000		$ 2,002,000
Fair Value-Available-for-Sale
Total		2,007,000		$ 2,007,000
Amortized Cost-Held-to-Maturity
Amortized Cost						6,949,000
Gross Unrealized Gains						282,000
Municipal bonds | Minimum
Securities
Maturity period				12 years
Municipal bonds | Maximum
Securities
Maturity period				14 years
U.S. government and government-sponsored enterprise obligations
Amortized Cost-Available-for-Sale
Amortized Cost		10,004,000		$ 10,004,000		14,994,000
Fair Value-Available-for-Sale
Total		$ 10,209,000		$ 10,209,000		$ 15,204,000
U.S. government and government-sponsored enterprise obligations | Minimum
Securities
Maturity period				3 years
Callable period				4 months
U.S. government and government-sponsored enterprise obligations | Maximum
Securities
Maturity period				8 years
Callable period				1 year