FAIR VALUE OF ASSETS AND LIABILITIES - Summary Of Financial Assets Measured On A Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	$ 212,181	$ 182,139
Interest rate swaps - Assets	688	2,114
Interest rate swaps - liability	3,890	779
Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
Interest rate swaps - Assets	0	0
Interest rate swaps - liability	0	0
Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	208,580	182,139
Interest rate swaps - Assets	688	2,114
Interest rate swaps - liability	3,890	779
Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	3,601	0
Interest rate swaps - Assets	0	0
Interest rate swaps - liability	0	0
U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	8,679	24,794
U.S. government agencies | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
U.S. government agencies | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	8,679	24,794
U.S. government agencies | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
U.S. government-sponsored enterprises
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	53,249	20,362
U.S. government-sponsored enterprises | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
U.S. government-sponsored enterprises | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	53,249	20,362
U.S. government-sponsored enterprises | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	32,214	60,362
State and political subdivisions | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
State and political subdivisions | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	32,214	60,362
State and political subdivisions | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
Mortgage-backed securities - U.S. government-sponsored enterprises
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	82,469	73,613
Mortgage-backed securities - U.S. government-sponsored enterprises | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
Mortgage-backed securities - U.S. government-sponsored enterprises | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	82,469	73,613
Mortgage-backed securities - U.S. government-sponsored enterprises | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
Mortgage-backed securities - Private mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	22,445
Mortgage-backed securities - Private mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0
Mortgage-backed securities - Private mortgage-backed securities | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	19,873
Mortgage-backed securities - Private mortgage-backed securities | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	2,572
Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	13,125	3,008
Corporate debt | Quoted Prices in Active Markets for Identical Assets (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	0	0
Corporate debt | Significant Other Observable Inputs (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	12,096	3,008
Corporate debt | Significant Unobservable Inputs (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available for sale securities	$ 1,029	$ 0