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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions In January 2019, the Special Committee of the Board of Directors approved a transaction in which the Company's Chief Executive Officer, Charles F. Willis, purchased a car at its market value of $0.1 million from the Company. During 2019, the Company's Chief Executive Officer, Charles F. Willis, was charged $0.2 million for usage of the Company's marine vessel in the Company's lease portfolio.