RETIREMENT AND POSTRETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2013
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 15	$ 39	$ 45	$ 117
Defined Benefit Plan, Interest Cost	57	90	170	270
Defined Benefit Plan, Expected Return on Plan Assets	0	0	0	0
Amortization of unrealized loss	12	75	36	225
Net periodic cost	84	204	251	612
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					187
Defined Benefit Plan, Contributions by Employer			60
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	290	306	868	918
Defined Benefit Plan, Expected Return on Plan Assets	(380)	(363)	(1,139)	(1,089)
Amortization of unrealized loss	587	541	1,762	1,623
Net periodic cost	497	484	1,491	1,452
Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					53
Defined Benefit Plan, Contributions by Employer			31
BMP Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					483
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					186
Defined Benefit Plan, Contributions by Employer			$ 136