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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Unrealized gain (loss) on investment, taxes	$ (188)	$ 68	$ (247)
Adjustment to pension benefit plans, taxes	$ 793	$ 264	$ (324)
Common stock, dividends per share, paid (usd per share)	$ 1.44	$ 1.36	$ 1.28

X

- Definition

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

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

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

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