EMPLOYEE BENEFITS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Fund Advisor	Dec. 31, 2012	Dec. 31, 2011
Plan's funded status and amounts recognized in the Consolidated Statements Of Condition [Abstract]
Minimum Required Contribution for Pension Plan	$ 1,000,000
Additional minimum required contribution for the pension plan	0
Target Allocation [Abstract]
Defined benefit plan, assumptions used calculating benefit obligation, weighted average discount rate (in hundredths)	5.33%
Defined benefit plan, assumptions used calculating benefit obligation, rate of compensation increase (in hundredths)	0.00%
Expected net periodic pension cost [Abstract]
Plan assets invested in number of common collective trust funds	13
Number of sub advisors used in plan assets investment	26
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	486,000	110,000	394,000
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Net insurance (expense) income	(755,000)	0	0
Director [Member] | Hamptons Bancshares, Inc. [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Director's deferred compensation plan liability	138,000	138,000
Interest accrued on deferred compensation	10,000	24,000	10,000
Payment to participants	10,000
Participants deferred compensation	138,000	138,000
Auto loan Receivable [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		204,000
Qualified Pension Plan [Member]
Plan's change in benefit obligation [Roll Forward]
Benefit obligation at start of year	45,376,000	53,028,000	42,570,000
Service cost	0	2,665,000	2,179,000
Interest cost	1,993,000	2,218,000	2,250,000
Actuarial loss	(3,970,000)	(3,789,000)	7,671,000
Benefits paid and expected expenses	(1,686,000)	(1,777,000)	(1,642,000)
Curtailment	0	(6,969,000)	0
Benefit obligation at end of year	41,713,000	45,376,000	53,028,000
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at start of year	37,595,000	34,817,000	32,830,000
Actual return on plan assets	5,758,000	3,615,000	13,000
Employer contribution	0	1,000,000	3,700,000
Benefits paid	(1,897,000)	(1,837,000)	(1,726,000)
Fair value of plan assets at end of year	41,456,000	37,595,000	34,817,000
Plan's funded status and amounts recognized in the Consolidated Statements Of Condition [Abstract]
Prepaid Pension Cost	4,696,000	4,632,000
Unrecognized Net Loss	(4,953,000)	(12,413,000)
Under Funded Status	(257,000)	(7,781,000)
Amounts Included in Other Liabilities	(257,000)	(7,781,000)
Accumulated Benefit Obligation	41,713,000	45,376,000
Estimated benefits to be paid during the years [Abstract]
2014	1,969,000
2015	2,105,000
2016	2,178,000
2017	2,268,000
2018	2,319,000
2019-2023	12,439,000
Net periodic pension cost [Abstract]
Service cost	0	2,665,000	2,179,000
Interest cost on projected benefit obligations	1,993,000	2,218,000	2,250,000
Expected return on plan assets	(2,301,000)	(2,362,000)	(2,238,000)
Net amortization & deferral	244,000	1,628,000	974,000
Curtailment gain	0	(1,000)	0
Net periodic pension cost	(64,000)	4,148,000	3,165,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]
Net actuarial (gain) loss	(7,460,000)	(13,578,000)	5,348,000
Total recognized in other comprehensive (income) loss	(7,460,000)	(13,578,000)	5,348,000
Total recognized in net periodic pension cost and other comprehensive loss (income)	(7,524,000)	(9,430,000)	8,513,000
Weighted-average discount rate (in hundredths)	4.50%	4.27%	5.38%
Rate of increase in future compensation (in hundredths)	0.00%	3.50%	3.50%
Expected long-term rate of return on assets (in hundredths)	7.00%	7.00%	7.00%
Expected net periodic pension cost [Abstract]
Service cost	0
Interest cost on projected benefit obligations	2,158,000
Expected return on plan assets	(2,547,000)
Net amortization & deferral	25,000
Net periodic pension cost	(364,000)
Weighted-average discount rate (in hundredths)	4.50%
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	41,456,000	37,595,000
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	290,000	4,852,000
Qualified Pension Plan [Member] | 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		17,073,000
Qualified Pension Plan [Member] | Collateralized Mortgage Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		4,074,000
Qualified Pension Plan [Member] | Other asset-backed [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		9,000
Qualified Pension Plan [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		3,549,000
Qualified Pension Plan [Member] | Government-issued Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		7,834,000
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	9,395,000
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	15,654,000
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	13,692,000
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	2,425,000
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	25,339,000	17,112,000
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	290,000	39,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | 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		17,073,000
Qualified Pension Plan [Member] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Collateralized Mortgage Obligations [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] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Auto loan Receivable [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] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Other asset-backed [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] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Corporate Bonds [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] | Active Markets for Identical Assets Quoted Prices (Level 1) [Member] | Government-issued 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] | 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	9,395,000
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	15,654,000
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
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
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	16,117,000	20,483,000
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	4,813,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | 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] | Collateralized Mortgage Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		4,074,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Auto loan Receivable [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		204,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Other asset-backed [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		9,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		3,549,000
Qualified Pension Plan [Member] | Significant other Observable Inputs (Level 2) [Member] | Government-issued Securities [Member] | Fair Value, Measurements, Recurring [Member]
Plan's change in plan assets [Roll Forward]
Fair value of plan assets at end of year		7,834,000
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	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	2,425,000
Qualified Pension Plan [Member] | Cash [Member]
Expected net periodic pension cost [Abstract]
Pension plan weighted-average asset allocations (in hundredths)	1.00%	13.00%
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)	60.00%	45.00%
Qualified Pension Plan [Member] | Debt Securities [Member]
Expected net periodic pension cost [Abstract]
Pension plan weighted-average asset allocations (in hundredths)	39.00%	42.00%
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]
Director's deferred compensation plan liability	177,000
Interest accrued on deferred compensation	71,000	(13,000)	58,000
Payment to participants	46,000
Net insurance (expense) income		(155,000)	(156,000)
Participants deferred compensation	177,000
1999 Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Director's deferred compensation plan liability	95,000	64,000	100,000
Payment to participants	356,000	383,000	335,000
Participants deferred compensation	$ 95,000	$ 64,000	$ 100,000