Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Financial Instruments with Off Balance Sheet Risk

(Dollars in thousands)	Jun 30, 2015		Dec 31, 2014
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit:
Commercial loans		$347,236		$325,402
Home equity lines	204,471		200,932
Other loans	45,258		48,551
Standby letters of credit	5,402		5,102
Financial instruments whose notional amounts exceed the amount of credit risk:
Forward loan commitments:
Interest rate lock commitments	61,107		40,015
Commitments to sell mortgage loans	98,122		84,808
Customer related derivative contracts:
Interest rate swaps with customers	231,205		165,795
Mirror swaps with counterparties	231,205		165,795
Risk participation-in agreements	7,174		—
Interest rate risk management contracts:
Interest rate swaps	22,681		22,681