RETIREMENT AND POSTRETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 2018

RETIREMENT AND POSTRETIREMENT PLANS [Abstract]

Net Periodic Costs

Net expenses associated with these plans were comprised of the following components:

	Three Months Ended June 30,
	2018						2017
	BMP, Employee and Outside Director Retirement Plans			Postretirement Plan			BMP, Employee and Outside Director Retirement Plans			Postretirement Plan
Service cost	$	—		$	—		$	—		$	—
Interest cost		291			13			329			14
Expected return on assets		(430	)		—			(395	)		—
Unrecognized past service liability		—			(2	)		—			(2	)
Amortization of unrealized loss (gain)		289			—			359			(1	)
Net periodic cost	$	150		$	11		$	293		$	11

	Six Months Ended June 30,
	2018						2017
	BMP, Employee and Outside Director Retirement Plans			Postretirement Plan			BMP, Employee and Outside Director Retirement Plans			Postretirement Plan
Service cost	$	—		$	—		$	—		$	—
Interest cost		583			27			658			28
Expected return on assets		(860	)		—			(790	)		—
Unrecognized past service liability		—			(4	)		—			(4	)
Amortization of unrealized loss (gain)		578			—			718			(2	)
Net periodic cost	$	301		$	23		$	586		$	22