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Note 5 - Loans and Allowance for Credit Losses (Details) - Recorded Investment in Loans by Impairment Method - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Recorded investment in loans:
Individually evaluated for impairment	$ 40,960	$ 45,310	$ 36,991
Collectively evaluated for impairment	4,509,937	4,267,089	3,242,438
Commercial Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	17,966	17,612	17,405
Collectively evaluated for impairment	942,540	898,614	709,206
Income Producing Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	2,371	5,109	2,913
Collectively evaluated for impairment	1,861,212	1,698,063	1,299,566
Owner Occupied Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	1,827	6,891	3,230
Collectively evaluated for impairment	496,007	454,690	326,843
Residential Portfolio Segment [Member]
Recorded investment in loans:
Collectively evaluated for impairment	149,842	148,018	123,587
Construction Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	17,891	14,241	12,882
Collectively evaluated for impairment	937,860	837,223	667,750
Home Equity Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	887	1,398	561
Collectively evaluated for impairment	117,657	121,138	108,370
Other Consumer Portfolio Segment [Member]
Recorded investment in loans:
Individually evaluated for impairment	18	59
Collectively evaluated for impairment	$ 4,819	$ 109,343	$ 7,116

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The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-SubTopic 10



-Section 50



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