FAIR VALUE, Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Available for sale [Abstract]
Securities available for sale	$ 436,580	$ 390,754
Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	436,580	390,754
Fair Value [Member]
Available for sale [Abstract]
Securities available for sale	436,580	390,754
Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	436,580	390,754
Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Agency MBS - Residential [Member]
Available for sale [Abstract]
Securities available for sale	340,787	279,309
U.S. Agency MBS - Residential [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	340,787	279,309
U.S. Agency MBS - Residential [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Agency MBS - Residential [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	340,787	279,309
U.S. Agency MBS - Residential [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Agency CMO's - Residential [Member]
Available for sale [Abstract]
Securities available for sale	38,937	62,644
U.S. Agency CMO's - Residential [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	38,937	62,644
U.S. Agency CMO's - Residential [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Agency CMO's - Residential [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	38,937	62,644
U.S. Agency CMO's - Residential [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member]
Available for sale [Abstract]
Securities available for sale	379,724	341,953
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	379,724	341,953
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	379,724	341,953
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Government Sponsored Agency Securities [Member]
Available for sale [Abstract]
Securities available for sale	6,153	30,730
U.S. Government Sponsored Agency Securities [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	6,153	30,730
U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	6,153	30,730
U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Obligations of States and Political Subdivisions [Member]
Available for sale [Abstract]
Securities available for sale	44,871	16,017
Obligations of States and Political Subdivisions [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	44,871	16,017
Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	44,871	16,017
Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Other Securities [Member]
Available for sale [Abstract]
Securities available for sale	5,832	2,054
Other Securities [Member] | Carrying Value [Member]
Available for sale [Abstract]
Securities available for sale	5,832	2,054
Other Securities [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available for sale [Abstract]
Securities available for sale	0	0
Other Securities [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Available for sale [Abstract]
Securities available for sale	5,832	2,054
Other Securities [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Available for sale [Abstract]
Securities available for sale	$ 0	$ 0