Quarterly report pursuant to Section 13 or 15(d)

Acquisitions and Goodwill (Details)

v2.4.0.8
Acquisitions and Goodwill (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Jun. 30, 2014
CST [Member]
Jun. 30, 2014
CST [Member]
Feb. 02, 2014
CST [Member]
Jun. 30, 2014
Forward Air [Member]
Dec. 31, 2013
Forward Air [Member]
Jun. 30, 2014
FASI [Member]
Dec. 31, 2013
FASI [Member]
Jun. 30, 2013
TQI [Member]
Jun. 30, 2014
TQI [Member]
Jun. 30, 2013
TQI [Member]
Dec. 31, 2013
TQI [Member]
Mar. 04, 2013
TQI [Member]
Jun. 30, 2014
Trade Names [Member]
CST [Member]
Feb. 02, 2014
Trade Names [Member]
CST [Member]
Jun. 30, 2014
Trade Names [Member]
TQI [Member]
Mar. 04, 2013
Trade Names [Member]
TQI [Member]
Jun. 30, 2014
Noncompete Agreements [Member]
CST [Member]
Feb. 02, 2014
Noncompete Agreements [Member]
CST [Member]
Jun. 30, 2014
Noncompete Agreements [Member]
TQI [Member]
Mar. 04, 2013
Noncompete Agreements [Member]
TQI [Member]
Jun. 30, 2014
Customer Relationships [Member]
CST [Member]
Feb. 02, 2014
Customer Relationships [Member]
CST [Member]
Jun. 30, 2014
Customer Relationships [Member]
TQI [Member]
Mar. 04, 2013
Customer Relationships [Member]
TQI [Member]
Segment Reporting Information [Line Items]                                                          
Business Acquisition, Cost of Acquired Entity, Cash Paid             $ 82,998             $ 45,328                              
Noncash or Part Noncash Acquisition, Debt Assumed             11,215             20,113                              
Escrow Deposit               10,000                 4,500                        
Business Combination, Acquisition Related Costs             866             943                              
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low                                 0                        
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High                                 5,000                        
Business Combination, Contingent Consideration, Liability                           0     615                        
Fair Value Inputs, Discount Rate                           10.90%                              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                                   2 years   5 years   5 years   5 years   15 years   15 years  
Unrecognized Tax Benefits, Increases Resulting from Acquisition                           1,120                              
Unrecognized Tax Benefits that Would Impact Effective Tax Rate                                 853                        
Unrecognized Tax Benefits, Income Tax Penalties Accrued                                 174                        
Unrecognized Tax Benefits, Interest on Income Taxes Accrued                                 93                        
Business Combination, Indemnification Assets, Amount as of Acquisition Date                                 728                        
Operating Revenue Since Acquisition Date           18,072 28,875           12,196   16,114                            
Operating Income Since Acquisition Date           2,284 2,286           806   1,001                            
Net Income Since Acquisition Date           1,388 1,381           505   633                            
Business Combination Information, Earnings Per Share of Acquiree since Acquisition Date, Basic           $ 0.04 $ 0.04           $ 0.02   $ 0.02                            
Business Combination Information, Earnings Per Share of Acquiree since Acquisition Date, Diluted           $ 0.04 $ 0.04           $ 0.02   $ 0.02                            
Business Acquisition, Pro Forma Revenue 193,852 176,379 370,509 341,099                                                  
Business Acquisition, Pro Forma Income from Operations 27,595 24,583 44,071 42,496                                                  
Business Acquisition, Pro Forma Net Income (Loss) 17,178 15,117 27,506 27,285                                                  
Business Acquisition, Pro Forma Earnings Per Share, Basic $ 0.56 $ 0.50 $ 0.89 $ 0.91                                                  
Business Acquisition, Pro Forma Earnings Per Share, Diluted $ 0.55 $ 0.49 $ 0.88 $ 0.90                                                  
Goodwill, Impaired, Accumulated Impairment Loss                     (6,953) (6,953)                                  
Carrying value of goodwill 138,839   138,839   88,496     50,343 88,269 37,926 12,359 12,359   45,164   45,164 45,164                        
Goodwill, Acquired During Period     50,343           50,343                                        
Business Combination, Acquired Receivables, Gross Contractual Amount               9,498                 5,639                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets               101                 1,093                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment               2,132                 5,103                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets               35                 728                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets                                 947                        
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Total Tangible Assets               11,766                 13,510                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill                                     500   1,000   930   470   37,200   22,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles               88,973                 68,934                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets               100,739                 82,444                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities               6,526                 4,725                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other                                 1,735                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt               11,215                 20,113                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities                                 10,543                        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities               17,741                 37,116                        
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Net Total Assets               $ 82,998                 $ 45,328