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Debt (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Preferred stock, shares issued	104,574
Preferred stock, liquidation preference per share	$ 1,000
Subordination to credit facility, facility total	$ 50.0
Subordination to credit facility, facility maximum net borrowing	$ 40.0
Senior Notes [Member]
Debt instrument interest rate	8.25%
Long-term debt, face amount	$ 74.3	$ 74.3
Long-term debt, current	$ 6.1	$ 6.1

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