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Related Parties	3 Months Ended
Related Parties	Mar. 31, 2021
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 $8,857 at March 31, 2021. Total commissions and net fees earned by this investment firm and its affiliates on these portfolios were $8 and $37 for the three months ended March 31, 2021 and 2020.