Share-Based Payment Arrangements (Summary of the Status of Stock Options) (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-Based Payment Arrangements [Abstract]
Stock Options, Outstanding at January 1, 2020	14,157
Stock options, Granted	0	0
Stock Options, Exercised
Stock Options, Forfeited or Expired
Stock Options, Outstanding at March 31, 2020	14,157
Stock Options, Exercisable at March 31, 2020	14,157
Weighted Average Exercise Price, Outstanding at January 1, 2020	$ 6.99
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited or Expired
Weighted Average Exercise Price, Outstanding at March 31, 2020	6.99
Weighted Average Exercise Price, Exercisable at March 31, 2020	$ 6.99
Average Remaining Contractual Term, Outstanding at March 31, 2020	1 year 9 months 18 days
Average Remaining Contractual Term, Exercisable at March 31, 2020	1 year 9 months 18 days
Aggregate Intrinsic Value, Outstanding at March 31, 2020
Aggregate Intrinsic Value, Exercisable at March 31, 2020

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Weighted average price of options that were either forfeited or expired.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
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-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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