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Share Repurchase Program (Narrative) (Details) - USD ($) $ in Millions	32 Months Ended
	Dec. 31, 2018	May 05, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Stock repurchase program, authorized amount		$ 100.0
Stock Repurchase Program, Total Shares Repurchased	$ 1.5

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- Definition

Stock Repurchase Program, Total Shares Repurchased

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- Definition

Amount of stock repurchase plan authorized.

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