Goodwill and Other Intangible Assets (Schedule of Expected Impairment Charges and Amortization Expense) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
2017	$ 10,976
2018	8,323
2019	7,873
2020	6,801
2021	5,612
2022 and thereafter	15,606
Total remaining amortization expense	55,191
Indefinite lived	10,267
Total	65,458
Other intangible assets
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
Total	53,596
Other intangible assets | Investments in other ventures, under equity method
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
Total	11,862
Other intangible assets
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
2017	8,041
2018	5,727
2019	5,446
2020	5,237
2021	4,910
2022 and thereafter	13,968
Total remaining amortization expense	43,329
Other intangible assets | Investments in other ventures, under equity method
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
2017	2,935
2018	2,596
2019	2,427
2020	1,564
2021	702
2022 and thereafter	1,638
Total remaining amortization expense	11,862
Indefinite lived	0
Other intangible assets
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items]
Indefinite lived	$ 10,267