Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands |
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3 Months Ended |
Feb. 23, 2016 |
Mar. 25, 2015 |
Feb. 24, 2015 |
Mar. 31, 2016 |
Mar. 31, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized share based compensation, expected term (in Duration) |
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2 years
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| Directors compensation expense |
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$ 124
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$ 92
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| Common Stock, Dividends, Per Share, Declared |
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$ 0.025
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$ 0.025
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| Stock Repurchase Program, Number of Shares Authorized to be Repurchased |
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25,000,000
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| Dividends, Common Stock, Cash |
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$ 400
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| ESPP |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares purchased through Employee Stock Purchase Plan (in Shares) |
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12,472
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| Weighted average purchase price of ESPP shares purchased during the period (in Dollars per share) |
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$ 18.37
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| Share-based compensation expense |
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$ 77
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$ 73
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| Restricted Stock |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based compensation expense |
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$ 300
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400
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
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16,900
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| Stock Granted, Value, Share-based Compensation, Net of Forfeitures |
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$ 300
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| Unrecognized share based compensation |
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$ 2,500
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| Restricted Stock | Minimum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based compensation awards, annual vesting percentage |
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25.00%
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| Restricted Stock | Maximum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based compensation awards, annual vesting percentage |
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33.33%
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
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|
3 years
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| Stock Options |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share based compensation awards, options outstanding at period end (in Shares) |
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1,869,754
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| Share based compensation awards, options outstanding and unvested at period end (in Shares) |
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|
799,067
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| Share-based compensation awards, annual vesting percentage |
|
33.33%
|
33.33%
|
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| Share-based compensation expense |
|
|
|
$ 600
|
$ 600
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
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5 years
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| Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |
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10 years
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| Stock Granted, Value, Share-based Compensation, Net of Forfeitures |
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$ 1,300
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |
235,500
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| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
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$ 20.06
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