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Related Parties	12 Months Ended
Related Parties	Dec. 31, 2019
Related Parties [Abstract]
Related Parties	Note S - Related Parties The Company utilizes the services of an investment firm of which one director of the Company is a partial owner. This investment firm manages equity securities and fixed income portfolios held by the Company with an aggregate market value of approximately $8,883 at December 31, 2019. Total commissions and net fees earned by this investment firm and its affiliates on these portfolios were $145, $103 and $97 for the years ended December 31, 2019, 2018 and 2017.