Consolidated Statement Of Changes In Stockholders' Equity (Parenthetical) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Issuance of stock based incentive plan, shares			33,788
Treasury shares, acquisition		1,869
Treasury shares, purchase	56,247	61,000
Series C Preferred Stock [Member]
Conversion of Series C preferred stock, shares	12,607	12,607
Non-Voting Common Stock [Member]
Non-voting common stock, shares	1,260,700	1,260,700