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Segment Reporting Segment Revenue and Profit or Loss Reconciliation (Details) (Predecessor [Member], USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Total revenues $ 62,278 $ 59,415 $ 184,267 $ 176,661
Segment profit (loss) 2,281 9,015 7,282 26,600
Operating Segments [Member]
        
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Total revenues 64,185 60,453 190,907 180,776
Segment profit (loss) 13,638 15,846 35,307 42,218
Corporate, Non-Segment [Member]
        
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Total revenues 35 4 146 15
Segment profit (loss) (9,633) (5,730) (22,807) (13,305)
Intersegment Eliminations [Member]
        
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Total revenues (1,942) (1,042) (6,786) (4,130)
Segment profit (loss) (252) (188) (857) (688)
Formation transaction expenses [Member]
        
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Segment profit (loss) (1,507) (917) (4,507) (1,640)
Unallocated amounts [Member]
        
Reconciliation of Revenue and Profit or Loss from Segments to Consolidated [Line Items]        
Segment profit (loss) $ 35 $ 4 $ 146 $ 15