Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Commitments to Extend Credit
Commitments and Contingencies
Commitments outstanding	$ 331.1
Standby Letters of Credit
Commitments and Contingencies
Commitments outstanding	6.5
Commitments to Originate Mortgage Loans Held-for-Sale at Fixed Prices
Commitments and Contingencies
Commitments outstanding	24.3
Forward Sales Commitments
Commitments and Contingencies
Commitments outstanding	$ 39.6