RETIREMENT AND POSTRETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2014
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 10	$ 15
Defined Benefit Plan, Interest Cost	58	57
Defined Benefit Plan, Expected Return on Plan Assets	0	0
Amortization of unrealized loss	0	12
Net periodic cost	68	84
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year			169
Defined Benefit Plan, Contributions by Employer	14
BMP, Employee And Outside Director Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	0	0
Defined Benefit Plan, Interest Cost	338	290
Defined Benefit Plan, Expected Return on Plan Assets	(444)	(380)
Amortization of unrealized loss	261	587
Net periodic cost	155	497
Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year			30
Defined Benefit Plan, Contributions by Employer	7
BMP Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year			538
Defined Benefit Plan, Contributions by Employer	0
Outside Director Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year			190
Defined Benefit Plan, Contributions by Employer	$ 45