Financial Instruments With Off-Balance Sheet Risk (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Variable Rate Commitments [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	$ 93,473	$ 60,344
Interest Rate Lock Commitments [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	27,341	24,609
Loan Origination Commitments [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	120,814	84,953
Unused lines of Credit [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	1,057,021	929,305
Commitments to Extend Credit [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	31,766	21,802
Forward Contracts [Member]
Supply Commitment [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	$ 12,256	$ 83,955