LOANS AND LEASES (Schedule of Activity in Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2021		Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020
Allowance for loan losses
Beginning ALLL	$ 63,505		$ 66,065	$ 67,309		$ 43,676
Charge-Offs	(23)		(5,298)	(5,055)		(7,965)
Recoveries	51		228	154		384
Provision (Credit)	1,600		5,150	2,725		30,050
Ending ALLL	65,133		66,145	65,133		66,145
Agricultural Sector [Member]
Allowance for loan losses
Beginning ALLL	43		38	43		38
Provision (Credit)	15		(23)	15		(23)
Ending ALLL	58		15	58		15
Residential Portfolio Segment [Member] | Junior Lien [Member]
Allowance for loan losses
Beginning ALLL	8		20	15		13
Provision (Credit)	(1)		(2)	(8)		5
Ending ALLL	7		18	7		18
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Allowance for loan losses
Beginning ALLL	2,167		3,074	2,905		2,090
Charge-Offs				(12)
Recoveries			217			330
Provision (Credit)	(92)		(324)	(818)		547
Ending ALLL	2,075		2,967	2,075		2,967
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member]
Allowance for loan losses
Beginning ALLL	123		244	218		128
Recoveries			3	85		8
Provision (Credit)	(4)		(27)	(184)		84
Ending ALLL	119		220	119		220
Residential Portfolio Segment [Member] | Multifamily Property [Member]
Allowance for loan losses
Beginning ALLL	10,615		9,662	9,945		6,037
Provision (Credit)	(47)		1,002	623		4,627
Ending ALLL	10,568		10,664	10,568		10,664
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Allowance for loan losses
Beginning ALLL	2,447		3,177	3,050		2,064
Provision (Credit)	(154)		(166)	(757)		947
Ending ALLL	2,293		3,011	2,293		3,011
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Allowance for loan losses
Beginning ALLL	27,886		29,866	27,713		15,988
Charge-Offs			(5,132)			(5,532)
Recoveries						31
Provision (Credit)	2,098		4,432	2,271		18,679
Ending ALLL	29,984		29,166	29,984		29,166
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Allowance for loan losses
Beginning ALLL	16,565		16,218	19,047	[1]	14,353
Charge-Offs	(19)		(164)	(5,019)		(2,418)
Recoveries	50		6	60		11
Provision (Credit)	(330)		112	2,178		4,226
Ending ALLL	16,266	[2]	16,172	16,266	[2]	16,172
Commercial Portfolio Segment [Member] | Lease Financing [Member]
Allowance for loan losses
Beginning ALLL	3,275		3,349	3,936		2,642
Provision (Credit)	94		124	(567)		831
Ending ALLL	3,369		3,473	3,369		3,473
Commercial Portfolio Segment [Member] | Construction [Member]
Allowance for loan losses
Beginning ALLL	159		49	158		27
Provision (Credit)	6		28	7		50
Ending ALLL	165		77	165		77
Consumer and Other Loans [Member]
Allowance for loan losses
Beginning ALLL	217		368	279		296
Charge-Offs	(4)		(2)	(24)		(15)
Recoveries	1		2	9		4
Provision (Credit)	15		(6)	(35)		77
Ending ALLL	$ 229		$ 362	$ 229		$ 362

[1] The balance includes PPP loans of $196 million, which had no related reserve as these loans are guaranteed by the SBA.

[2] The balance includes PPP loans of $49 million, which had no related reserve as these loans are guaranteed by the SBA.