Goodwill and Other Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Estimate of the amount and classification of amortization expense for definite-lived intangible assets
Amortization Expense, 2014	$ 6,546
Amortization Expense, 2015	7,427
Amortization Expense, 2016	6,979
Amortization Expense, 2017	6,757
Amortization Expense, 2018	4,330
Operations Expense, 2014	90
Operations Expense, 2015	109
Operations Expense, 2016	106
Operations Expense, 2017	106
Operations Expense, 2018	106
Interest Expense, 2014	2,834
Interest Expense, 2015	2,158
Interest Expense, 2016	1,020
Interest Expense, 2017	334
Interest Expense, 2018	$ 7