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Related Parties	6 Months Ended
Related Parties	Jun. 30, 2020
Related Parties [Abstract]
Related Parties	(12) 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 $6,946 at June 30, 2020. Total commissions and net fees earned by this investment firm and its affiliates on these portfolios were $67 and $71 for the six months ended June 30, 2020 and 2019.