Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Financial Instruments with Off Balance Sheet Risk

(Dollars in thousands)	Mar 31, 2015		Dec 31, 2014
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit:
Commercial loans		$303,443		$325,402
Home equity lines	206,515		200,932
Other loans	47,998		48,551
Standby letters of credit	5,248		5,102
Financial instruments whose notional amounts exceed the amount of credit risk:
Forward loan commitments:
Interest rate lock commitments	60,546		40,015
Commitments to sell mortgage loans	106,457		84,808
Customer related derivative contracts:
Interest rate swaps with customers	209,416		165,795
Mirror swaps with counterparties	209,416		165,795
Interest rate risk management contracts:
Interest rate swaps	22,681		22,681