Troubled Debt Restructurings (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($) contract	Jun. 30, 2015 contract	Jun. 30, 2016 USD ($) contract	Jun. 30, 2015 contract	Dec. 31, 2015 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of troubled debt restructured loans			25		24
Loan is considered payment default			30 days
Financing Receivable, Modifications, Nonaccrual, Number of Contracts	3		3		2
Financing Receivable, Modifications, Nonaccrual, Recorded Investment | $	$ 1,217		$ 1,217		$ 500
Troubled Debt Restructuring Modifications Number Of Contracts	0	1	2	1
Total troubled debt restructured loans | $	$ 7,800		$ 7,800		$ 7,500
Residential Single Family
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructuring Modifications Number Of Contracts		1	1	1
Troubled Debt Restructuring Modifications Amortization Period Number of Contracts			1	1
Commercial Real Estate Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructuring Modifications Number Of Contracts			1
Troubled Debt Restructuring Modifications Amortization Period Number of Contracts			1