RETIREMENT AND POSTRETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 10	$ 15	$ 30	$ 45
Defined Benefit Plan, Interest Cost	58	57	174	170
Defined Benefit Plan, Expected Return on Plan Assets	0	0	0	0
Amortization of unrealized loss	0	12	0	36
Net periodic cost	68	84	204	251
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					169
Defined Benefit Plan, Contributions by Employer			63
BMP, Employee And Outside Director Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	0	0	0	0
Defined Benefit Plan, Interest Cost	338	290	1,014	868
Defined Benefit Plan, Expected Return on Plan Assets	(444)	(380)	(1,332)	(1,139)
Amortization of unrealized loss	261	587	783	1,762
Net periodic cost	155	497	465	1,491
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			10
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			$ 136