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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 46,992	$ 45,868	$ 40,453
Other comprehensive income (loss), net of tax:
Net change in unrealized gain (loss) on investment securities	(4,452)	(4,405)	22,711
Minimum pension liability adjustment	2,728	1,449	(3,707)
Other comprehensive income (loss), net of tax	(1,724)	(2,956)	19,004
Comprehensive income	$ 45,268	$ 42,912	$ 59,457

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
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-URI http://asc.fasb.org/extlink&oid=51831270

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-Publisher FASB
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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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