Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Repurchased of common stock shares	$ 200,000
Common stock issued in public stock offering, Shares			6,325
Retained Earnings [Member]
Cash dividends declared, per common share	$ 1.02	$ 0.96	$ 0.96