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Related Party Transaction	12 Months Ended
Related Party Transaction	Dec. 31, 2018
Related Party Transactions [Abstract]
Related Party Transaction	Related Party Transaction During 2018, the Company purchased 48,186 outstanding shares of common stock at market price from an executive officer of the Company for cash of $2.0 million. The transaction is included in the purchase of treasury shares in the Consolidated Statements of Cash Flows.