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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2015
Acquisitions [Abstract] |
Schedule of reconciling change in carrying amount of goodwill |
(in thousands) |  |
Balance at December 31, 2012 |  | $ | 3,663 |
Acquisitions |  |  | 3,686 |
Balance at December 31, 2013 |  |  | 7,349 |
Adjustment |  |  | (124 | )
Impairment |  |  | (3,562 | )
Balance at December 31, 2014 |  |  | 3,663 |
Change in carrying amount |  |  | — |
Balance at December 31, 2015 |  | $ | 3,663 |
Schedule of pro forma information |
in thousands) |  | Year ended December 31, 2013
Revenues |  | $ | 280,307 |
Net loss |  | $ | (6,408 | )

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