Derivative Financial Instruments (Balance sheet category and fair values of derivative instruments (not designated as hedging instruments)) (Details) (Not Designated as Hedging Instrument, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Assets | Interest Rate Lock Commitments
Derivatives, Fair Value [Line Items]
Notional Amount	$ 92,583	$ 63,370
Fair Value	2,993	1,809
Other Assets | Forward Contracts
Derivatives, Fair Value [Line Items]
Notional Amount	108,333	117,637
Fair Value	238	1,206
Other Liabilities | Forward Contracts
Derivatives, Fair Value [Line Items]
Notional Amount	98,823	53,277
Fair Value	$ (307)	$ (133)