Employee Benefit Plans - Stock Appreciation Right Activity (Details) - Stock Appreciation Rights (SARs) [Member]	9 Months Ended
Sep. 30, 2020 $ / shares shares
Number
Outstanding at December 31, 2019 (in shares) \| shares	67,000
Granted (in shares) \| shares	18,000
Exercised (in shares) \| shares	0
Forfeited (in shares) \| shares	0
Outstanding at June 30, 2020 (in shares) \| shares	85,000
Weighted Average Exercisable Price
Outstanding at December 31, 2019 (in dollars per share) \| $ / shares	$ 20.54
Granted (in dollars per share) \| $ / shares	15.19
Exercised (in dollars per share) \| $ / shares	0
Forfeited (in dollars per share) \| $ / shares	0
Outstanding at June 30, 2020 (in dollars per share) \| $ / shares	$ 19.40

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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- Definition

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

+ References

No definition available.

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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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-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

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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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- Definition

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

+ 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
-Subparagraph (c)(1)(iv)(2)
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-Name Accounting Standards Codification
-Topic 210
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