Basis of Presentation (Impact of Potentially Dilutive Securities) (Details) - shares	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Impact of potentially dilutive securities outstanding
Shares issued and outstanding, excluding unvested restricted shares	71,087,504	70,992,361
Reserve for issued stock options	873,180	663,425
Reserve for issued warrants	418,441	418,441
Reserve for issued but unvested restricted shares	184,645	65,100
Fully diluted shares	72,563,770	72,139,327

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration