LOANS, Impaired Loans and Troubled debt restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) loan payment	Mar. 31, 2015 USD ($) loan	Dec. 31, 2015 USD ($)
Financing Receivable, Impaired [Line Items]
Period for performing appraisal of loans	12 months
Period for borrower to pledge additional security, maximum	90 days
Period of payment history, minimum	9 months
Recorded Investment
With no related allowance recorded	$ 7,930		$ 5,597
With an allowance recorded	34,396		36,625
Total recorded investment	42,326		42,222
Unpaid Principal Balance
With no related allowance recorded	9,581		7,000
With an allowance recorded	39,364		41,838
Total unpaid principal balance	48,945		48,838
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	2,632		2,489
Total related allowance	2,632		2,489
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	42,276	$ 61,166
Interest Income Recognized	$ 366	$ 442
Troubled debt restructurings [Abstract]
Period of current payment history	6 months
Debt coverage ratio	1.25
Number of projected future quarters under review	1 year
Number of consecutive payments to qualify for return to accrual status | payment	6
Performing TDRs	$ 28,300		28,700
Allowances for Performing TDRs	474		530
Nonperforming TDRs	3,500		3,500
Allowance for nonperforming TDRs	$ 603		603
Number of loans modified as TDRs | loan	0	0
Subsequent default, number of contracts | loan	1,000
Loan balance in non accrual	$ 252
Commercial and Industrial
Recorded Investment
With no related allowance recorded	530		680
With an allowance recorded	458		503
Total recorded investment	988		1,183
Unpaid Principal Balance
With no related allowance recorded	1,783		1,934
With an allowance recorded	460		504
Total unpaid principal balance	2,243		2,438
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	38		67
Total related allowance	38		67
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	1,086	$ 4,187
Interest Income Recognized	12	26
Residential
Recorded Investment
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total recorded investment	0		0
Unpaid Principal Balance
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total unpaid principal balance	0		0
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total related allowance	0		0
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Commercial
Recorded Investment
With no related allowance recorded	1,420		1,420
With an allowance recorded	5,684		5,696
Total recorded investment	7,104		7,116
Unpaid Principal Balance
With no related allowance recorded	1,517		1,517
With an allowance recorded	8,407		8,420
Total unpaid principal balance	9,924		9,937
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	1,149		1,149
Total related allowance	1,149		1,149
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	7,111	13,175
Interest Income Recognized	22	72
Commercial – Owner Occupied
Recorded Investment
With no related allowance recorded	1,031		358
With an allowance recorded	3,942		4,341
Total recorded investment	4,973		4,699
Unpaid Principal Balance
With no related allowance recorded	1,031		358
With an allowance recorded	3,971		4,370
Total unpaid principal balance	5,002		4,728
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	290		73
Total related allowance	290		73
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	4,836	6,268
Interest Income Recognized	57	55
Commercial – Non-owner Occupied
Recorded Investment
With no related allowance recorded	3,413		1,281
With an allowance recorded	21,551		23,303
Total recorded investment	24,964		24,584
Unpaid Principal Balance
With no related allowance recorded	3,658		1,281
With an allowance recorded	22,991		24,988
Total unpaid principal balance	26,649		26,269
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	464		486
Total related allowance	464		486
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	24,774	28,162
Interest Income Recognized	243	229
Residential – 1 to 4 Family
Recorded Investment
With no related allowance recorded	1,536		1,858
With an allowance recorded	2,406		2,426
Total recorded investment	3,942		4,284
Unpaid Principal Balance
With no related allowance recorded	1,592		1,910
With an allowance recorded	3,180		3,200
Total unpaid principal balance	4,772		5,110
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	686		709
Total related allowance	686		709
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	4,113	8,918
Interest Income Recognized	28	54
Residential – Multifamily
Recorded Investment
With no related allowance recorded	0		0
With an allowance recorded	355		356
Total recorded investment	355		356
Unpaid Principal Balance
With no related allowance recorded	0		0
With an allowance recorded	355		356
Total unpaid principal balance	355		356
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	5		5
Total related allowance	5		5
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	356	363
Interest Income Recognized	4	6
Consumer
Recorded Investment
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total recorded investment	0		0
Unpaid Principal Balance
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total unpaid principal balance	0		0
Related Allowance
With no related allowance recorded	0		0
With an allowance recorded	0		0
Total related allowance	0		$ 0
Average recorded investment and interest income recognized [Abstract]
Average Recorded Investment	0	93
Interest Income Recognized	$ 0	$ 0