Shareholders' Equity - Additional Information (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Feb. 07, 2019
Stockholders' Equity Note [Abstract]
Treasury Shares Authorized to be Purchased			$ 25,000
Common stock repurchased, shares	31,500	0
Common stock repurchased, value	$ 849,000
Shares are available for future issuances	$ 24,718,000
Antidilutive securities excluded from computation of earnings per share (shares)	91,098	78,317

Common Stock, Capital Shares Available for Future Purchases, Value

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- Definition

Treasury Shares Authorized to be Purchased by Board of Directors

+ References

No definition available.

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- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- References

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