CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
Shares issued under the dividend reinvestment plan (“DRP”) (in shares)	24,529	25,154	24,981
Shares issued for trust preferred securities conversions (in shares)			529,292
Shares issued under the Employee Stock Purchase Plan ("ESPP"), net of offering costs (in shares)	7,888	3,758
Purchase of treasury stock (in shares)	22,600
Stock awards granted and distributed (in shares)	82,210	84,910	72,979
Stock awards forfeited (in shares)	19,531	15,225	8,213
Repurchase of surrendered stock from vesting of stock plans	26,583	17,073	10,068
Cash dividend declared (in dollars per share)	$ 0.92	$ 0.92	$ 0.92