Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details )

v3.10.0.1
Intangible Assets (Details ) - USD ($)
$ in Thousands
Dec. 31, 2018
Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]    
Cost $ 41,730 $ 41,730
Accumulated Amortization 13,660 12,263
Net Book Value 28,070 29,467
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 29,070 29,070
Accumulated Amortization 8,175 7,459
Net Book Value 20,895 21,611
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 8,329 8,329
Accumulated Amortization 2,892 2,537
Net Book Value 5,437 5,792
Non-compete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,331 4,331
Accumulated Amortization 2,593 2,267
Net Book Value $ 1,738 $ 2,064