RETIREMENT AND POSTRETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 2021

RETIREMENT AND POSTRETIREMENT PLANS

Net Periodic Costs

	Three Months Ended June 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		303		183		10		241
Expected return on assets		(1,245)		(428)		—		(428)
Unrecognized past service liability		—		—		(2)		—
Amortization of unrealized loss		206		229		—		274
Net periodic benefit (credit) cost	$	(513)	$	(16)	$	8	$	87

	Six Months Ended June 30,
	2021				2020
							BMP, Postretirement
	BNB Bank		Employee		Employee		and Outside Director
(In thousands)	Pension Plan		Retirement Plan		Retirement Plan		Retirement Plans
Service cost	$	371	$	—	$	—	$	—
Interest cost		552		366		20		482
Expected return on assets		(2,229)		(856)		—		(856)
Unrecognized past service liability		—		—		(4)		—
Amortization of unrealized loss		412		458		—		548
Net periodic (credit) cost	$	(894)	$	(32)	$	16	$	174