FAIR VALUE, Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Securities available for sale [Abstract]
Securities available for sale	$ 390,754	$ 365,731
Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	390,754	365,731
Fair Value [Member]
Securities available for sale [Abstract]
Securities available for sale	390,754	365,731
Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	390,754	365,231
Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	500
U. S. Sponsored Agency MBS - Residential [Member]
Securities available for sale [Abstract]
Securities available for sale	279,309	255,242
U. S. Sponsored Agency CMO's - Residential [Member]
Securities available for sale [Abstract]
Securities available for sale	62,644	68,543
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member]
Securities available for sale [Abstract]
Securities available for sale	341,953	323,785
U.S. Government Sponsored Agency Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	30,730	24,170
Obligations of States and Political Subdivisions [Member]
Securities available for sale [Abstract]
Securities available for sale	16,017	14,327
Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	2,054	3,449
Recurring [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	390,754	365,731
Recurring [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	390,754	365,231
Recurring [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	500
Recurring [Member] | U. S. Sponsored Agency MBS - Residential [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	279,309	255,242
Recurring [Member] | U. S. Sponsored Agency MBS - Residential [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | U. S. Sponsored Agency MBS - Residential [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	279,309	255,242
Recurring [Member] | U. S. Sponsored Agency MBS - Residential [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | U. S. Sponsored Agency CMO's - Residential [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	62,644	68,543
Recurring [Member] | U. S. Sponsored Agency CMO's - Residential [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | U. S. Sponsored Agency CMO's - Residential [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	62,644	68,543
Recurring [Member] | U. S. Sponsored Agency CMO's - Residential [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	341,953	323,785
Recurring [Member] | Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	341,953	323,785
Recurring [Member] | Total Mortgage-Backed Securities of Government Sponsored Agencies [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | U.S. Government Sponsored Agency Securities [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	30,730	24,170
Recurring [Member] | U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	30,730	24,170
Recurring [Member] | U.S. Government Sponsored Agency Securities [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Obligations of States and Political Subdivisions [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	16,017	14,327
Recurring [Member] | Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	16,017	14,327
Recurring [Member] | Obligations of States and Political Subdivisions [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Other Securities [Member] | Carrying Value [Member]
Securities available for sale [Abstract]
Securities available for sale	2,054	3,449
Recurring [Member] | Other Securities [Member] | Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Other Securities [Member] | Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale [Abstract]
Securities available for sale	2,054	2,949
Recurring [Member] | Other Securities [Member] | Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale [Abstract]
Securities available for sale	$ 0	$ 500