Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details )

v3.19.1
Intangible Assets (Details ) - USD ($)
$ in Thousands
Mar. 31, 2019
Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]    
Cost $ 41,730 $ 41,730
Accumulated Amortization 15,056 12,263
Net Book Value 26,674 29,467
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 29,070 29,070
Accumulated Amortization 8,890 7,459
Net Book Value 20,180 21,611
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 8,329 8,329
Accumulated Amortization 3,248 2,537
Net Book Value 5,081 5,792
Non-compete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,331 4,331
Accumulated Amortization 2,918 2,267
Net Book Value $ 1,413 $ 2,064