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Interim Period Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Interim Period Reporting [Abstract]
Incurred net losses	$ 1.7	$ 3.2	$ 1.6	$ 2.6
Retained earnings	$ 199.4		199.4		$ 196.2
Operating activities			$ 3.4	$ 1.9

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Net Cash Provided By Used In Operating Activities.

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A segregation of retained earnings which is unavailable for dividend distribution. Includes also retained earnings appropriated for loss contingencies.

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