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Fair Value Measurements (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Aug. 01, 2015
Sep. 30, 2016
Dec. 31, 2015
Nonrecurring [Member] | Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Allowance For Loan Loss Allocation on Collateral Dependent Impaired Loans   $ 1.0 $ 2.4
Contingent Consideration [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Earn-out period post acquisition 5 years    
Contingent Consideration [Member] | Minimum [Member] | Recurring [Member] | Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Discount rates   3.00%  
Contingent Consideration [Member] | Maximum [Member] | Recurring [Member] | Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Discount rates   4.00%