LOANS (Schedule of Activity in Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Allowance for loan losses
Beginning ALLL	$ 38,066	$ 35,751	$ 36,440	$ 32,208
Charge-Offs	(1,372)	(315)	(1,584)	(788)
Recoveries	99	79	387	295
Provision (Credit)	500	400	2,050	4,200
Ending ALLL	37,293	35,915	37,293	35,915
Agricultural Sector [Member]
Allowance for loan losses
Beginning ALLL	2	2		2
Charge-Offs
Recoveries
Provision (Credit)			2
Ending ALLL	2	2	2	2
Residential Portfolio Segment [Member] \| Junior Lien [Member]
Allowance for loan losses
Beginning ALLL	17	14	12	16
Charge-Offs				(57)
Recoveries	6	6	61	19
Provision (Credit)	(7)	(7)	(57)	35
Ending ALLL	16	13	16	13
Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Allowance for loan losses
Beginning ALLL	4,382	4,223	4,085	3,666
Charge-Offs	(10)	(261)	(87)	(591)
Recoveries		59	139	128
Provision (Credit)	(240)	323	(5)	1,141
Ending ALLL	4,132	4,344	4,132	4,344
Residential Portfolio Segment [Member] \| Home Equity Lines of Credit [Member]
Allowance for loan losses
Beginning ALLL	190	211	221	233
Charge-Offs				(23)
Recoveries	3	2	7	61
Provision (Credit)	4	16	(31)	(42)
Ending ALLL	197	229	197	229
Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Allowance for loan losses
Beginning ALLL	8,259	11,606	10,007	11,192
Charge-Offs
Recoveries
Provision (Credit)	(604)	(360)	(2,352)	54
Ending ALLL	7,655	11,246	7,655	11,246
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Property [Member]
Allowance for loan losses
Beginning ALLL	2,525	2,147	2,385	1,774
Charge-Offs		(30)	(64)	(30)
Recoveries			66
Provision (Credit)	(138)	153		526
Ending ALLL	2,387	2,270	2,387	2,270
Commercial Real Estate Portfolio Segment [Member] \| Investment Property [Member]
Allowance for loan losses
Beginning ALLL	13,659	11,727	11,933	10,909
Charge-Offs	(1,335)		(1,335)
Recoveries	4	1	4	23
Provision (Credit)	463	229	2,189	1,025
Ending ALLL	12,791	11,957	12,791	11,957
Commercial Portfolio Segment [Member] \| Commercial and Industrial Sector [Member]
Allowance for loan losses
Beginning ALLL	7,356	5,333	6,563	4,164
Charge-Offs			(46)	(25)
Recoveries	85	9	107	61
Provision (Credit)	744	(107)	1,561	1,035
Ending ALLL	8,185	5,235	8,185	5,235
Commercial Portfolio Segment [Member] \| Lease Financing [Member]
Allowance for loan losses
Beginning ALLL	1,311	178	884
Charge-Offs
Recoveries
Provision (Credit)	238	97	665	275
Ending ALLL	1,549	275	1,549	275
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Allowance for loan losses
Beginning ALLL	1	1	1	9
Charge-Offs
Recoveries
Provision (Credit)				(8)
Ending ALLL	1	1	1	1
Consumer and Other Loans [Member]
Allowance for loan losses
Beginning ALLL	364	309	349	243
Charge-Offs	(27)	(24)	(52)	(62)
Recoveries	1	2	3	3
Provision (Credit)	40	56	78	159
Ending ALLL	$ 378	$ 343	$ 378	$ 343

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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