RETIREMENT AND POSTRETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2013
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 15	$ 39	$ 30	$ 78
Defined Benefit Plan, Interest Cost	57	90	114	180
Defined Benefit Plan, Expected Return on Plan Assets	0	0	0	0
Amortization of unrealized loss	12	75	24	150
Net periodic cost	84	204	168	408
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					187
Defined Benefit Plan, Contributions by Employer			50
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	579	612
Defined Benefit Plan, Expected Return on Plan Assets	(380)	(363)	(759)	(726)
Amortization of unrealized loss	587	541	1,174	1,082
Net periodic cost	497	484	994	968
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			22
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			$ 91