Consolidated Statements of Changes in Stockholders' Equity (unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Unrealized holding (losses) gains arising during period, taxes	$ 128	$ 68
Realized net gains	64	170
Accretion of net unrealized losses transferred during the period, taxes	1,216	1,444
Pension liability adjustment, taxes	$ 484	$ 245
Class A Common Stock [Member]
Cash dividends, per share	$ 0.36	$ 0.36
Class B Common Stock [Member]
Cash dividends, per share	$ 0.18	$ 0.18

Other comprehensive income loss transfers from accretion of net unrealized losses tax.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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-Publisher FASB
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Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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