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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(In thousands, except per share data)		2016				2015				2014
Net income available to common shareholders		$	96,790			$	74,107			$	35,688
Average common shares outstanding			30,646				28,084				16,879
Average potential dilutive common shares			318				126				43
Average diluted common shares			30,964				28,210				16,922
Basic earnings per share		$	3.16			$	2.64			$	2.11
Diluted earnings per share		$	3.13			$	2.63			$	2.11

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- References

No definition available.

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