Stock Based Compensation Stock Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Stock Based Compensation
Employee Benefits and Share-based Compensation	$ 385	$ (702)
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings	21,614
Minimum [Member]
Stock Based Compensation
Equity Share Payout Range	0
Maximum [Member]
Stock Based Compensation
Equity Share Payout Range	58,857
MSU [Member]
Stock Based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	39,238
Share-based Compensation Award, Tranche Two [Member]
Stock Based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	35,351
Share Based Compensation Non Option Equity Instruments Granted Weighted Average Exercise Price	$ 22.75
Director Grant [Domain]
Stock Based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	30,304
Executive Grant [Domain]
Stock Based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	3,000

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- Definition

Share Based Compensation Non Option Equity Instruments Granted Weighted Average Exercise Price

+ References

No definition available.

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- Definition

Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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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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- Definition

The number of restricted shares issued as compensation, net of shares for the payment of withholding taxes. This element is to be used only if shares are used in lieu of cash to satisfy all or a portion of withholding taxes.

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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