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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity
Dividends declared (in dollars per share)	$ 0.38	$ 0.37	$ 0.37	$ 0.36	$ 0.36	$ 0.36
Share retired, shares	25,699	7,828	13,101	90,165	10,383	53,746
Common stock grants awarded, net of unearned compensation			$ 182
Common stock grants awarded, net of unearned compensation (in shares)			9,192

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

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