Earnings Per Share (Narrative) (Details) - $ / shares	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares not included in earnings per share calculation	326,000	357,500	326,000	357,500
Exercise Price Range One [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, outstanding, exercisable range	1,056,604	984,104	1,056,604	984,104
Minimum exercisable prices (in dollars per share)	$ 6.75	$ 6.75
Maximum exercisable prices (in dollars per share)	$ 8.57	$ 8.57
Exercise Price Range Two [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, outstanding, exercisable range	1,056,604	984,104	1,056,604	984,104
Minimum exercisable prices (in dollars per share)			$ 6.75	$ 6.75
Maximum exercisable prices (in dollars per share)			$ 8.57	$ 8.57

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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