SECURITIES (Narrative) (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2022 USD ($) security	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) security
Sales of debt securities available for sale	$ 0	$ 16,815,000
Debt securities available for sale	$ 331,043,000		$ 335,424,000
Securities in unrealized loss position \| security	105		62
Equity securities	$ 1,101,000		$ 1,124,000
Realized gain (loss) on equity securities	$ (23,000)	$ 93,000
Number of Securities, 12 Months or More \| security	26		8
Obligations of U.S. Government Agencies and Corporations [Member]
Investment portfolio percentage	13.00%
Debt securities available for sale	$ 43,041,000		$ 40,526,000
Carrying value of pledged assets	$ 75,362,000		$ 82,656,000
Securities in unrealized loss position \| security	9		8
Number of Securities, 12 Months or More \| security	7		3
Obligations of State and Political Subdivisions [Member]
Investment portfolio percentage	3.00%
Debt securities available for sale	$ 8,555,000		$ 9,220,000
Debt Securities Maturity Term	5 years
Securities in unrealized loss position \| security	9		7
Number of Securities, 12 Months or More \| security	1		0
Corporate Debt Securities [Member]
Investment portfolio percentage	10.00%
Debt securities available for sale	$ 33,607,000		$ 34,996,000
Securities in unrealized loss position \| security	13		6
Number of Securities, 12 Months or More \| security	0		0
Mortgage-Backed Securities [Member]
Investment portfolio percentage	74.00%
Securities in unrealized loss position \| security	74		41
Other than temporary impairment	$ 0		$ 0
Number of Securities, 12 Months or More \| security	18		5
Federal Farm Credit Bank [Member]
Debt securities available for sale	$ 11,693,000		$ 12,379,000
Pennsylvania Housing Finance [Member]
Debt securities available for sale	$ 6,926,000		$ 7,502,000

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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