Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	$ (3,223)	$ (727)	$ 2,445
Mortgage Loans Held for Sale [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	(3,591)	(590)	3,191
Forward Sales or Mortgage Backed Securities [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	323	89	(927)
Interest Rate Lock Commitments [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	(71)	32	607
Best Efforts Contracts [Member]
Financial Instrument [Line Items]
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis	$ 116	$ (258)	$ (426)