Derivative Financial Instruments (Income Statement Disclosures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Derivative [Line Items]
Amount of pre-tax gain (loss) reclassified from AOCI into earnings (Effective Portion)	$ 0	$ 268	$ 463	$ 145
Derivatives designated in cash flow hedging relationships | Interest rate swap
Derivative [Line Items]
Amount of pre-tax gain (loss) recognized in OCI (Effective Portion)	660	(772)	591	(812)
Derivatives designated in cash flow hedging relationships | Interest rate swap | Interest on junior subordinated debt
Derivative [Line Items]
Amount of pre-tax gain (loss) reclassified from AOCI into earnings (Effective Portion)	(171)	(151)	(328)	(297)
Derivatives not designated as hedging instruments: | Forward Sale Agreements | Mortgage banking income
Derivative [Line Items]
Amount of pre-tax gain (loss) reclassified from AOCI into earnings (Effective Portion)	45	(299)	400	(51)
Derivatives not designated as hedging instruments: | Written Interest Rate Options (Locks) | Mortgage banking income
Derivative [Line Items]
Amount of pre-tax gain (loss) reclassified from AOCI into earnings (Effective Portion)	$ (45)	$ 567	$ 63	$ 196