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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 11,466	$ 12,206	$ 34,784	$ 34,936
Other comprehensive income (loss), net of tax:
Net change in unrealized gain (loss) on investment securities	(2,042)	7,563	15,677	3,102
Minimum pension liability adjustment	249	259	748	775
Total other comprehensive income (loss), net of tax	(1,793)	7,822	16,425	3,877
Comprehensive income	$ 9,673	$ 20,028	$ 51,209	$ 38,813

X

- Definition

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.

+ References

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

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=51831223

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-Publisher FASB
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-Section 45
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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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 after tax and 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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