SECURITIES - Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 230,127	$ 211,175
Gross Unrealized Gains	6,287	2,622
Gross Unrealized Losses	(4,209)	(1,616)
Fair Value	232,205	212,181
U.S. government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,235	8,758
Gross Unrealized Gains		5
Gross Unrealized Losses	(135)	(84)
Fair Value	8,100	8,679
U.S. government-sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	53,906	54,338
Gross Unrealized Gains	22
Gross Unrealized Losses	(2,908)	(1,089)
Fair Value	51,020	53,249
State and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	45,232	31,501
Gross Unrealized Gains	2,682	938
Gross Unrealized Losses	0	(225)
Fair Value	47,914	32,214
Mortgage-backed securities - U.S. government-sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	82,891	81,449
Gross Unrealized Gains	3,160	1,198
Gross Unrealized Losses	(377)	(178)
Fair Value	85,674	82,469
Mortgage-backed securities - Private mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	26,858	22,110
Gross Unrealized Gains	331	368
Gross Unrealized Losses	(357)	(33)
Fair Value	26,832	22,445
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	13,005	13,019
Gross Unrealized Gains	92	113
Gross Unrealized Losses	(432)	(7)
Fair Value	$ 12,665	$ 13,125

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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