FAIR VALUE MEASUREMENTS (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	$ 312,689,000	$ 277,928,000
Marketable equity securities	1,463,000	1,933,000
Assets transferred from Level 1 to Level 2	0	0
Assets transferred from Level 2 to Level 1	0	0
Transfer in or out of Level 3	0	0
U.S. Treasury Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	2,855,000
Obligations of US Government Corporations and Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	11,616,000	10,297,000
Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	38,845,000	37,536,000
Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	18,760,000	18,443,000
Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	1,463,000	1,933,000
Fair Value, Measurements, Recurring [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	312,689,000	277,928,000
Total recurring fair value measurements	314,152,000	279,861,000
Fair Value, Measurements, Recurring [Member] | U.S. Treasury Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	2,855,000
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Obligations Of Us Government Corporations And Agencies [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	63,967,000	77,283,000
Fair Value, Measurements, Recurring [Member] | Obligations of US Government Corporations and Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	11,616,000	10,297,000
Fair Value, Measurements, Recurring [Member] | Other Mortgage Backed Debt Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	28,636,000	11,138,000
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivisions [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	150,865,000	120,376,000
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	38,845,000	37,536,000
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	18,760,000	18,443,000
Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	1,463,000	1,933,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Total recurring fair value measurements	1,463,000	1,933,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Treasury Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Mortgage Backed Obligations Of Us Government Corporations And Agencies [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of US Government Corporations and Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Mortgage Backed Debt Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of state and political subdivisions [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	1,463,000	1,933,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	312,689,000	277,928,000
Total recurring fair value measurements	312,689,000	277,928,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Treasury Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	2,855,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage Backed Obligations Of Us Government Corporations And Agencies [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	63,967,000	77,283,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of US Government Corporations and Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	11,616,000	10,297,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Mortgage Backed Debt Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	28,636,000	11,138,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of state and political subdivisions [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	150,865,000	120,376,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	38,845,000	37,536,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	18,760,000	18,443,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Total recurring fair value measurements	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Treasury Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgage Backed Obligations Of Us Government Corporations And Agencies [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of US Government Corporations and Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Mortgage Backed Debt Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of state and political subdivisions [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	$ 0	$ 0