Note 7 - Components of Loans in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Commercial Portfolio Segment [Member]
Loans	$ 2,188,047	$ 2,316,863
Allowance for loan losses	(50,590)	(56,199)
Residential Portfolio Segment [Member]
Loans	2,146,895	1,932,355
Commercial Real Estate Portfolio Segment [Member]
Loans	5,531,186	5,301,218
Allowance for loan losses	(46,090)	(49,440)
Real Estate Construction Portfolio Segment [Member]
Loans	481,820	441,543
Allowance for loan losses	(10,753)	(22,170)
Equity Lines Portfolio Segment [Member]
Loans	171,972	168,980
Consumer Portfolio Segment [Member]
Loans	3,180	2,493
Allowance for loan losses	(12)	(9)
Loans	10,523,100	10,163,452
Allowance for loan losses	(122,948)	(138,963)
Unamortized deferred loan fees	(6,679)	(8,262)
Total loans, net	10,393,473	10,016,227
Loans held for sale	$ 2,925	$ 6,676

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 deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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