Related Party and Affiliate Transactions (Details) (Affiliated Entity [Member], USD $) In Thousands, unless otherwise specified	2 Months Ended
	Sep. 30, 2014
InfraServ Knapsack GmbH & Co. KG [Member]
Related Party Transaction [Line Items]
Ownership percentage in provider	15.00%
InfraServ Knapsack GmbH & Co. KG [Member] | Electricity And Technical Services [Member]
Related Party Transaction [Line Items]
Amount of charges incurred during period	$ 11,581
InfraServ Gendorf GmbH & Co. KG [Member]
Related Party Transaction [Line Items]
Ownership percentage in provider	11.00%
InfraServ Gendorf GmbH & Co. KG [Member] | Electricity And Technical Services [Member]
Related Party Transaction [Line Items]
Amount of charges incurred during period	$ 10,489