Financing Agreements (Convertible Senior Notes - Narrative) (Details)	Jun. 03, 2019 USD ($) $ / shares
Convertible Debt
Debt Instrument [Line Items]
Proceeds from issuance of Series C Preferred Stock	$ 230,000,000
Proceed from debt net of offering expenses and underwriting discount	$ 223,300,000
Stated interest rate	6.25%
Conversion ratio	125.7387
Debt instrument, face amount	$ 1,000
Conversion price (usd per share) \| $ / shares	$ 7.95
Effective interest rate	6.94%
Additional Convertible Senior Notes
Debt Instrument [Line Items]
Proceeds from issuance of Series C Preferred Stock	$ 30,000,000

The price per share of the conversion feature embedded in the debt instrument.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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