RETIREMENT AND POSTRETIREMENT PLANS (Tables)

9 Months Ended

Sep. 30, 2021

RETIREMENT AND POSTRETIREMENT PLANS

Net Periodic Costs

	Three Months Ended September 30,
		2021			2020
							BMP, Postretirement
	BNB Bank		Employee		Employee		and Outside Director
(In thousands)	Pension Plan		Retirement Plan		Retirement Plan		Retirement Plans
Service cost	$	223	$	—	$	—	$	—
Interest cost		302		183		10		241
Expected return on assets		(1,244)		(428)		—		(428)
Unrecognized past service liability		—		—		(2)		—
Amortization of unrealized loss		207		229		—		274
Net periodic benefit (credit) cost	$	(512)	$	(16)	$	8	$	87

	Nine Months Ended September 30,
	2021				2020
							BMP, Postretirement
	BNB Bank		Employee		Employee		and Outside Director
(In thousands)	Pension Plan		Retirement Plan		Retirement Plan		Retirement Plans
Service cost	$	594	$	—	$	—	$	—
Interest cost		854		549		30		723
Expected return on assets		(3,473)		(1,284)		—		(1,284)
Unrecognized past service liability		—		—		(6)		—
Amortization of unrealized loss		619		687		—		822
Net periodic (credit) cost	$	(1,406)	$	(48)	$	24	$	261