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Commitments and Contingencies Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Loss Contingencies [Line Items] |  |  |  |  |  |
Restructuring expenses | $ 433 | $ 176 | $ 441 | $ 401 |  |
Restructuring reserve | 541 | 155 | $ 541 | 155 | $ 281 | $ 194
Settlement agreement date |  |  | February 17, 2015 |  |  |
Settlement agreement terms |  |  | Under the terms of the consent decree, USM is to (a) pay an aggregate of $1.0 million (i) for monetary relief to the members of the class, (ii) for awards to the class representative plaintiffs, (iii) for California Labor Code Private Attorney General Act payments to the State of California for an immaterial amount, and (iv) for all costs of notice and administration of the claims process, (b) pay to counsel for the class an aggregate of $1.3 million, of which $0.25 million is to be allocated for their reimbursable costs and litigation expenses and $1.05 million is to be allocated for attorneys’ fees, and (c) establish procedures to monitor USM’s California subcontractors providing janitorial services to its Customer designed principally to ensure janitorial employees of those subcontractors are paid no less than minimum wage. |  |  |
Class Action Aggregate Monetary Portion [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Litigation Settlement, Amount |  |  | $ 1,000 |  |  |
Payment for litigation settlement |  |  | 1,000 |  |  |
Class Action Aggregate Counsel Portion [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Litigation Settlement, Amount |  |  | 1,300 |  |  |
Class Action Litigation Expenses [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Litigation Settlement, Amount |  |  | 250 |  |  |
Class Action Attorney Fees [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Litigation Settlement, Amount |  |  | 1,050 |  |  |
Employee Severance [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Restructuring expenses | 500 | $ 200 | 547 | 200 |  |
Facility Closing [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Restructuring expenses |  |  |  | $ 200 |  |
Reversal of restructuring expenses | $ (100) |  | $ (106) |  |  |

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