Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Measurements (Non-financial Assets Measured on a Non-recurring Basis) (Details)

v3.7.0.1
Fair Value Measurements Fair Value Measurements (Non-financial Assets Measured on a Non-recurring Basis) (Details)
$ in Thousands
Jun. 30, 2017
USD ($)
Fair Value, Inputs, Level 2 [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Equity Method Investments, Fair Value Disclosure $ 0
Fair Value, Inputs, Level 3 [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Equity Method Investments, Fair Value Disclosure 19,374
Falcon Global [Member] | Fair Value, Inputs, Level 1 [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Equity Method Investments, Fair Value Disclosure $ 15,700