Stock Incentive Plans (Options and Restricted stock - Narrative) (Details)	12 Months Ended
Dec. 31, 2020 USD ($) shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Intrinsic value of options exercised \| $	$ 0
Stock options exercised \| shares	0

Number of share options (or share units) exercised during the current period.

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