(Income Statement Disclosures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011
Derivative [Line Items]
Amount of pre-tax gain (loss) reclassified from AOCI into earnings (Effective Portion)	$ 268	$ 17	$ 145	$ 141
Derivatives designated in cash flow hedging relationships | Interest rate swap
Derivative [Line Items]
Amount of pre-tax gain (loss) recognized in OCI (Effective Portion)	(772)	(1,049)	(812)	(851)
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)	(151)	(164)	(297)	(165)
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)	(299)	32	(51)	165
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)	$ 567	$ (15)	$ 196	$ (24)