Quarterly report pursuant to Section 13 or 15(d)

Other Non-Current Assets (Details)

v3.5.0.2
Other Non-Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Other Assets, Noncurrent [Abstract]    
Advances made under EPC and non-EPC contracts $ 14,000 $ 32,049
Advances made to municipalities for water system enhancements 95,584 89,953
Tax-related payments and receivables 25,751 27,615
Information technology service assets 29,532 30,371
Other 53,079 52,043
Other non-current assets $ 217,946 $ 232,031