Annual report pursuant to Section 13 and 15(d)

Equity Investments (Equity Investments Balance Sheet Disclosure) (Details)

v3.3.1.900
Equity Investments (Equity Investments Balance Sheet Disclosure) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Equity Method Investments and Joint Ventures [Abstract]    
Current assets $ 105,537 $ 181,060
Noncurrent assets 1,293,925 1,306,891
Current liabilities 56,559 114,506
Noncurrent liabilities $ 155,995 $ 230,062