Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions - Proforma Revenue and Net Income (Detail)

v3.10.0.1
Business Acquisitions - Proforma Revenue and Net Income (Detail) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Sep. 30, 2018
May 15, 2018
Business Acquisition [Line Items]        
Long-term debt   $ 59,553 $ 63,264  
Scruggs Company        
Business Acquisition [Line Items]        
Pro forma revenues $ 173,360      
Pro forma net income $ 10,658      
Senior Notes        
Business Acquisition [Line Items]        
Long-term debt   $ 53,700 $ 57,300  
Senior Notes | Scruggs Company        
Business Acquisition [Line Items]        
Long-term debt       $ 22,000