BORROWED FUNDS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Balance for the year	$ 16,496	$ 16,496
Average weighted balance	$ 36,866	$ 18,970
Average interest rate paid during the year	3.31%	2.39%
Average interest rate at year end	6.42%	2.46%
Revolving Credit Facility [Member]
Net Investment Income [Line Items]
Balance for the year
Highest balance at any month-end
Average weighted balance	$ 863
Average interest rate paid during the year	1.68%
Federal Funds Lines [Member]
Net Investment Income [Line Items]
Balance for the year
Highest balance at any month-end		1,020
Average weighted balance		$ 8
Average interest rate paid during the year		2.51%
Short-Term Debt [Member]
Net Investment Income [Line Items]
Balance for the year
Highest balance at any month-end	60,000
Average weighted balance	$ 19,507	$ 2,466
Average interest rate paid during the year	2.48%	1.36%
Long-Term Debt [Member]
Net Investment Income [Line Items]
Balance for the year
Highest balance at any month-end		5,000
Average weighted balance
NPB Capital Trust I [Member]
Net Investment Income [Line Items]
Balance for the year	11,341	11,341
Highest balance at any month-end	11,341	11,341
Average weighted balance	$ 11,341	$ 11,341
Average interest rate paid during the year	4.63%	2.81%
Average interest rate at year end	6.68%	2.72%
NPB Capital Trust 2 [Member]
Net Investment Income [Line Items]
Balance for the year	$ 5,155	$ 5,155
Highest balance at any month-end	5,155	5,155
Average weighted balance	$ 5,155	$ 5,155
Average interest rate paid during the year	3.79%	1.97%
Average interest rate at year end	5.85%	1.89%