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NOTE 4 - LOANS/LEASES RECEIVABLE - Composition of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Gross loans/leases receivable	$ 3,610,270		$ 3,732,754
Less allowance	(36,116)	$ (41,104)	(39,847)	$ (43,077)	$ (37,545)	$ (34,355)
Net loans/leases receivable	3,574,154		3,692,907
Plus deferred loan/lease origination costs, net of fees	7,856		9,124
Loans and leases receivable	3,602,414		3,723,630
Commercial Portfolio Segment [Member]
Less allowance	(16,151)	(18,248)	(16,420)	(18,917)	(15,234)	(14,323)
Loans and leases receivable	1,469,978		1,429,410
Commercial Real Estate Portfolio Segment [Member]
Less allowance	(15,291)	(17,363)	(17,719)	(17,716)	(15,819)	(13,963)
Loans and leases receivable	1,687,922		1,766,111
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable	441,122		500,654
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and leases receivable	369,123		236,787
Commercial Real Estate Portfolio Segment [Member] \| Other Non-owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable	877,677		1,028,670
Finance Leases Portfolio Segment [Member]
Net minimum lease payments to be received			130,371
Net minimum lease receivable	101,869
Estimated unguaranteed residual values of leased assets	547		828
Unearned lease/residual income	(10,109)		(13,230)
Gross loans/leases receivable	94,460		121,611
Less allowance	(1,302)	(1,459)	(1,792)	(2,632)	(2,724)	(2,382)
Net loans/leases receivable	93,158		119,819
Plus deferred loan/lease origination costs, net of fees	2,153		3,642
Loans and leases receivable	92,307		117,969
Residential Portfolio Segment [Member]
Less allowance	(2,158)	(2,582)	(2,557)	(2,507)	(2,433)	(2,466)
Loans and leases receivable	245,667		290,759
Consumer Portfolio Segment [Member]
Less allowance	(1,214)	$ (1,452)	(1,359)	$ (1,305)	$ (1,335)	$ (1,221)
Loans and leases receivable	$ 106,540		$ 119,381