CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - UNAUDITED - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 9,675	$ 2,762	$ 16,786	$ 8,330
Other comprehensive income:
Unrealized holding gains (loss) on securities arising during the period	(1,033)	2,690	9,805	1,477
Other comprehensive income (loss) before tax	(1,033)	2,690	9,805	1,477
Income tax (expense) benefit related to items of other comprehensive income	425	(1,107)	(4,035)	(607)
Other comprehensive income (loss)	(608)	1,583	5,770	870
Less: Reclassification adjustment for gains (loss) included in net earnings	(993)	(2)	1,055	(28)
Income tax (expense) benefit related to reclassification adjustment	397	1	(422)	12
Reclassification adjustment for gains included in net earnings, net of tax	(596)	(1)	633	(16)
Other comprehensive income (loss), net of tax	(1,204)	1,582	6,403	854
Total comprehensive income	$ 8,471	$ 4,344	$ 23,189	$ 9,184

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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