Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	$ (182)	$ 187	$ 10	$ 2,119
Mortgage Loans Held for Sale [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	700	119	103	2,150
Forward Sales or Mortgage Backed Securities [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	(852)	(34)	(87)	16
Interest Rate Lock Commitments [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	34	182	(13)	228
Best Efforts Contracts [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	$ (64)	$ (80)	$ 7	$ (275)