Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Issuance of stock based incentive plan, shares	19,660	19,660	33,788
Treasury shares, acquisition		1,869
Treasury shares, purchase		61,000
Series C Preferred Stock [Member]
Conversion of Series C preferred stock, shares		12,607
Non-Voting Common Stock [Member]
Non-voting common stock, shares		1,260,700