FAIR VALUE MEASUREMENTS (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	$ 434,881,000	$ 437,916,000
Marketable equity securities	1,899,000	1,962,000
Assets transferred from Level 1 to Level 2	0	0
Transfer in or out of Level 3	0	0
U.S. Treasury and/or agency securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	19,307,000	7,729,000
Obligations of U.S. Government Agencies and Sponsored Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	6,744,000	7,576,000
Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	33,970,000	36,542,000
Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	45,609,000	45,432,000
Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	1,899,000	1,962,000
Fair Value, Measurements, Recurring [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	434,881,000	437,916,000
Total recurring fair value measurements	436,780,000	439,878,000
Fair Value, Measurements, Recurring [Member] | U.S. Treasury and/or agency securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	19,307,000	7,729,000
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Obligations Of Us Government Corporations And Agencies [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	112,518,000	114,911,000
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. Government Agencies and Sponsored Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	6,744,000	7,576,000
Fair Value, Measurements, Recurring [Member] | Other Mortgage Backed Debt Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	40,510,000	39,550,000
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivision [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	176,223,000	186,176,000
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	33,970,000	36,542,000
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	45,609,000	45,432,000
Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities
Available-for-Sale Securities:
Marketable equity securities	1,899,000	1,962,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	19,307,000	7,729,000
Total recurring fair value measurements	21,206,000	9,691,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Treasury and/or agency securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	19,307,000	7,729,000
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 U.S. Government Agencies and Sponsored 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 subdivision [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	1,899,000	1,962,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	415,574,000	430,187,000
Total recurring fair value measurements	415,574,000	430,187,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Treasury and/or agency securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	0	0
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:	112,518,000	114,911,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. Government Agencies and Sponsored Agencies Other [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	6,744,000	7,576,000
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:	40,510,000	39,550,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of state and political subdivision [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	176,223,000	186,176,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	33,970,000	36,542,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate debt securities [Member]
Available-for-Sale Securities:
Debt Securities Available-for-Sale:	45,609,000	45,432,000
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 and/or agency 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 U.S. Government Agencies and Sponsored 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 subdivision [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