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Equity Compensation Plans - Restricted Stock Outstanding (Details) - Restricted Stock - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Shares
Outstanding at beginning of period (in shares)	257,507	204,515	187,180
Granted (in shares)	173,413	134,364	144,056
Vested (in shares)	(83,968)	(61,928)	(50,107)
Forfeited (in shares)	(7,470)	(19,444)	(76,614)
Balance at End of Period (in shares)	339,482	257,507	204,515
Weighted Average Grant Date Fair Market Value
Outstanding at beginning of period (in dollars per share)	$ 15.23	$ 14.27	$ 18.22
Granted (in dollars per share)	14.73	16.52	11.89
Vested (in dollars per share)	15.46	14.97	17.28
Forfeited (in dollars per share)	15.05	14.78	18.01
Balance at End of Period (in dollars per share)	$ 14.92	$ 15.23	$ 14.27

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options Outstanding, Number

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Grant Date Fair Value

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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