Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 11,828	$ 8,895	$ 21,144	$ 17,986
Change in fair value of investment securities available for sale, net of tax of $1,491, $2,267, $2,285 and $5,553, respectively	2,766	4,203	4,239	10,278
Reclassification adjustment for net gain from sale of investment securities available for sale included in income, net of tax of $(41), $(71), $(41) and $(267), respectively	(76)	(130)	(76)	(494)
Other comprehensive income	2,690	4,073	4,163	9,784
Comprehensive income	$ 14,518	$ 12,968	$ 25,307	$ 27,770

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831270

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