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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 12,385	$ 9,660	$ 24,453	$ 20,133
Unrealized gains (losses) on securities:
Unrealized holding gains (losses) arising during the period	(181)	357	(1,889)	691
Reclassification of amount realized through sale of securities			272
Tax effect	42	(133)	364	(257)
Total other comprehensive income (loss)	(139)	224	(1,253)	434
Comprehensive income	$ 12,246	$ 9,884	$ 23,200	$ 20,567

X

- Definition

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

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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