Other Real Estate Owned and Property Acquired in Settlement of Loans (Narrative) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) asset	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)		Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Repossessed Assets [Abstract]
Decrease in total OREO and property acquired	$ (2,100)
Total property acquired in settlement of loans	$ 14,436		$ 16,583	[1]
Percent of total nonperforming assets	44.00%		47.00%
Number of assets under contract for sale | asset	4
Net carrying value of assets under contract for sale	$ 2,400
Mortgage loans in process of foreclosure	1,400
Financing Receivable, Modifications [Line Items]
Real estate acquired in settlement of loans	14,191	$ 13,845	$ 16,251		$ 19,717	$ 20,833	$ 20,122
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Real estate acquired in settlement of loans	$ 3,400

[1] Derived from audited consolidated financial statements