Stock Options and Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance (in shares)	400,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1	10 years
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	$ 756
Compensation cost recognized for options granted	214	85
Unrecognized compensation costs	433	207
Granted in 1995 (in shares)	0
Percentage of options vesting two years (in hundredths)	50.00%
Vesting term, option one (in years)	2 years
Percentage of options vesting five years (in hundredths)	50.00%
Vesting term, option two (in years)	5 years
Summary of status and changes of Stock Option Plan [Roll Forward]
Outstanding, beginning of period (in shares)	42,000	51,000
Granted in 2013 (in shares)	0
Exercised in 2013 (in shares)	0
Forfeited in 2013 (in shares)	0
Outstanding, end of period (in shares)	42,000	42,000
Exercisable, end of period (in shares)	42,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding options, weighted average exercise price, beginning of period (in dollars per share)	$ 18.00
Granted options, weighted average exercise price (in dollars per share)	$ 0.00
Exercised options, weighted average exercise price (in dollars per share)	$ 0.00
Forfeited options, weighted average exercise price (in dollars per share)	$ 0.00
Outstanding options, weighted average exercise price, end of period (in dollars per share)	$ 18.00	$ 18.00
Exercisable options, weighted average exercise price, end of period (in dollars per share)	$ 18.00
Outstanding options, end of period, weighted average remaining contractual term (in years)	1 year
Exercisable options, end of period, weighted average remaining contractual term (in years)	1 year
Exercised options, aggregate intrinsic value	0
Outstanding options, end of period, aggregate intrinsic value	0
Exercisable options, end of period, aggregate intrinsic value	$ 0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	46,841
2011 Plan \| Four Years \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1	3 years	4 years	4 years
Restricted stock granted (in shares)	8,886	2,704	1,500
Share-based Compensation Arrangement by Share-based Payment Award, Remaining Award Vesting Period	2 years 1 month 6 days	2 years 2 months 12 days	1 year 1 month 6 days
2011 Plan \| Restricted Stock \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	46,841
Share-based Compensation Arrangement by Share-based Payment Award, Remaining Award Vesting Period	2 years 4 months 24 days
2011 Plan \| Five Years \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1	5 years	5 years	5 years
Restricted stock granted (in shares)	9,699	7,996	5,500
Share-based Compensation Arrangement by Share-based Payment Award, Remaining Award Vesting Period	4 years 1 month 6 days	3 years 2 months 12 days	2 years 1 month 6 days
2011 Plan \| Years \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1	2 years	3 years
Restricted stock granted (in shares)	8,529	2,027
Share-based Compensation Arrangement by Share-based Payment Award, Remaining Award Vesting Period	1 year	1 year 2 months 12 days
1995 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in 1995 (in shares)	600,000
Summary of status and changes of Stock Option Plan [Roll Forward]
Granted in 2013 (in shares)	600,000

Total aggregate intrinsic value on shares exercised.

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The percentage of options vesting five years to total option plan as of the balance sheet date if other than 100 percent.

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The percentage of options vesting two years to total option plan as of the balance sheet date if other than 100 percent.

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Description of the remaining period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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Description of the period of time over which an employee's right to exercise the final tranche of options awarded is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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Description of the period of time over which an employee's right to exercise the first tranche of options awarded is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate number of common shares reserved for future issuance.

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Unrecognized cost of unvested share-based compensation awards.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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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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.

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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 price of options that were either forfeited or expired.

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

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

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

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

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

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

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