EMPLOYEE BENEFITS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Plan's funded status and amounts recognized in the Consolidated Statements Of Condition [Abstract]
Optional Required Contribution for Pension Plan	$ 1,000,000
Minimum Required Contribution for Pension Plan	0		1,000,000
Additional minimum required contribution for the pension plan	0
Expected net periodic pension cost [Abstract]
Non recurring gain		1,700,000
Minimum age of employee to participate in 401(k) retirement plan	21 years
Minimum hours worked to participate in 401K retirement plan	40 hours
Minimum tenure of service to participate in 401K plan	15 days
Employee contribution limit for 401K Plan	17,500
Percentage of employee annual gross compensation for employer matching contribution for 401(k) Plan, maximum (in hundredths)	6.00%
Contributions under the 401(k) Plan	515,000	486,000	110,000
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Net insurance (expense) income	(1,355,000)	(755,000)	0
Director [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Participants deferred compensation	1,100,000	1,100,000
U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		9,395,000
Non U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		15,654,000
U.S. Fixed Income Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		13,692,000
Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		9,395,000
Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Non U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		15,654,000
Significant other Observable Inputs (Level 2) [Member] | U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		0
Significant other Observable Inputs (Level 2) [Member] | Non U.S. Equity Securities [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		0
Qualified Pension Plan [Member]
Plan's change in benefit obligation [Roll Forward]
Benefit obligation at start of year	41,713,000	45,376,000	53,028,000
Service cost	0	0	2,665,000
Interest cost	2,158,000	1,993,000	2,218,000
Actuarial loss (gain)	7,709,000	(3,970,000)	(3,789,000)
Benefits paid	(1,846,000)	(1,686,000)	(1,777,000)
Curtailment	0	0	(6,969,000)
Benefit obligation at end of year	49,734,000	41,713,000	45,376,000
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at start of year	41,456,000	37,595,000	34,817,000
Actual return on plan assets	2,992,000	5,758,000	3,615,000
Employer contribution	1,000,000	0	1,000,000
Benefits paid and actual expenses	(2,017,000)	(1,897,000)	(1,837,000)
Fair value of plan assets at end of year	43,431,000	41,456,000	37,595,000
Plan's funded status and amounts recognized in the Consolidated Statements Of Condition [Abstract]
Under Funded Status	(6,303,000)	(258,000)
Amounts Included in Other Liabilities	(6,303,000)	(258,000)
Accumulated Benefit Obligation	49,734,000	41,713,000
Estimated benefits to be paid during the years [Abstract]
2015	1,996,000
2016	2,084,000
2017	2,202,000
2018	2,271,000
2019	2,348,000
2020-2024	12,787,000
Net periodic pension cost [Abstract]
Service cost	0	0	2,665,000
Interest cost on projected benefit obligations	2,158,000	1,993,000	2,218,000
Expected return on plan assets	(2,548,000)	(2,302,000)	(2,362,000)
Amortization of net loss	25,000	245,000	1,628,000
Curtailment gain	0	0	(1,000)
Net periodic pension (credit) cost	(365,000)	(64,000)	4,148,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]
Net actuarial loss (gain)	7,435,000	(7,215,000)	(4,982,000)
Amortization of net (loss) gain	(25,000)	(245,000)	(1,630,000)
Amortization of prior service cost	0	0	2,000
Curtailment	0	0	(6,968,000)
Total recognized in other comprehensive (income) loss	7,410,000	(7,460,000)	(13,578,000)
Total recognized in net periodic pension cost and other comprehensive loss (income)	7,045,000	(7,524,000)	(9,430,000)
Weighted-average discount rate (in hundredths)	5.33%	4.50%	4.27%
Rate of increase in future compensation (in hundredths)	0.00%	0.00%	3.50%
Expected long-term rate of return on assets (in hundredths)	7.00%	7.00%	7.00%
Assumptions Used in Calculations [Abstract]
Discount rate	4.32%	5.33%
Rate of increase in future compensation	0.00%	0.00%
Expected net periodic pension cost [Abstract]
Service cost	0
Interest cost on projected benefit obligations	2,099,000
Expected return on plan assets	(2,792,000)
Amortization of net loss	248,000
Net periodic pension cost	(445,000)
Weighted-average discount rate (in hundredths)	4.32%
Rate of increase in future compensation (in hundredths)	0.00%
Expected long-term rate of return on assets (in hundredths)	7.00%
Pension plan weighted-average asset allocations (in hundredths)	100.00%	100.00%
Qualified Pension Plan [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	43,431,000	41,456,000
Qualified Pension Plan [Member] | Short-term Investment Funds [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	1,423,000	290,000
Qualified Pension Plan [Member] | U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	9,389,000
Qualified Pension Plan [Member] | Non U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	15,123,000
Qualified Pension Plan [Member] | U.S. Fixed Income Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	15,152,000
Qualified Pension Plan [Member] | Non U.S. Fixed Income Securities [Securities] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	2,344,000	2,425,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	25,935,000	25,339,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Short-term Investment Funds [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	1,423,000	290,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	9,389,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Non U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	15,123,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | U.S. Fixed Income Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	0	0
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Non U.S. Fixed Income Securities [Securities] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	0	0
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	17,496,000	16,117,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Short-term Investment Funds [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	0	0
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	0
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Non U.S. Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	0
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | U.S. Fixed Income Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	15,152,000	13,692,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Non U.S. Fixed Income Securities [Securities] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year	2,344,000	2,425,000
Qualified Pension Plan [Member] | Cash [Member]
Expected net periodic pension cost [Abstract]
Pension plan weighted-average asset allocations (in hundredths)	3.00%	1.00%
Qualified Pension Plan [Member] | Equity Securities [Member]
Target Allocation [Abstract]
Target Allocations, Minimum (in hundredths)	54.00%
Target Allocations, Maximum (in hundredths)	64.00%
Expected net periodic pension cost [Abstract]
Pension plan weighted-average asset allocations (in hundredths)	57.00%	60.00%
Qualified Pension Plan [Member] | Debt Securities [Member]
Expected net periodic pension cost [Abstract]
Pension plan weighted-average asset allocations (in hundredths)	40.00%	39.00%
Qualified Pension Plan [Member] | Cash Equivalents [Member]
Target Allocation [Abstract]
Target Allocations, Minimum (in hundredths)	0.00%
Target Allocations, Maximum (in hundredths)	5.00%
Qualified Pension Plan [Member] | Fixed Income Securities [Member]
Target Allocation [Abstract]
Target Allocations, Minimum (in hundredths)	36.00%
Target Allocations, Maximum (in hundredths)	46.00%
1986 Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Interest accrued on deferred compensation	68,000	71,000	(13,000)
Payment to participants	64,000
Net insurance (expense) income	0	0	(155,000)
Participants deferred compensation	177,000
1999 Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Payment to participants	396,000	356,000	383,000
Participants deferred compensation	$ 132,000	$ 95,000	$ 64,000