Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Pledged cash as collateral in connection with interest rate swap agreements	$ 1,300	$ 1,000
Non-designated hedging instruments | Risk Management | Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Notional Amount	3,500	23,800
Non-designated hedging instruments | Risk Management | Other Assets | Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Derivative Asset, Fair Value, Gross Asset	0	2
Non-designated hedging instruments | Risk Management | Other Liabilities | Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Liability derivatives (other liabilities), fair value	0	0
Non-designated hedging instruments | Client-Related | Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Notional Amount	153,630	141,263
Non-designated hedging instruments | Client-Related | Other Assets | Interest rate swap contracts
Derivative [Line Items]
Counterparty credit exposure on derivatives	1,155
Summary of Derivative Instruments [Abstract]
Derivative Asset, Fair Value, Gross Asset		907
Non-designated hedging instruments | Client-Related | Other Liabilities | Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Liability derivatives (other liabilities), fair value	$ 1,155	$ 907