Securities (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Asset-backed securities pledged to secure certain deposits $ 21,400,000 $ 37,700,000  
Asset-backed securities pledged as collateral 1,900,000 2,300,000  
Amount 139,360,000 121,234,000  
Amortized cost, available for sale 35,530,000 42,563,000  
Other than temporary impairment charges 0 0 $ 0
Losses (gains) on sales of HTM investment securities 1,000 (11,000)  
Recognized net gain (loss) on sale of securities 4,000 19,000  
Gains on sales of AFS investment securities 5,000 8,000  
Securities held to maturity (HTM), at amortized cost 109,420,000 84,506,000  
Securities available for sale (AFS), at fair value 35,116,000 41,939,000  
Estimated Fair Value, held to maturity 109,309,000 84,915,000  
Gross unrealized losses, available for sale 557,000 830,000  
Fair value of HTM Securities with unrealized losses 53,800,000 36,900,000  
Gross unrealized losses, held to maturity 941,000 737,000  
Available-for-sale securities sold     0
Held-to-maturity securities sold     $ 0
Held-To-Maturity Securities [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount 67,000    
Losses (gains) on sales of HTM investment securities 1,000    
Recognized net gain (loss) on sale of securities   11,000  
Held-to-maturity securities sold   4,200,000  
Available-For-Sale Securities [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount 2,000,000    
Recognized net gain (loss) on sale of securities   8,000  
Gains on sales of AFS investment securities 5,000    
Available-for-sale securities sold   2,100,000  
US Government Obligations [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Securities held to maturity (HTM), at amortized cost   850,000  
Estimated Fair Value, held to maturity   850,000  
Residential Mortgage Backed Securities Issued By US Government Sponsored Enterprises [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amortized cost, available for sale 22,000 33,000  
Securities held to maturity (HTM), at amortized cost 34,085,000 19,501,000  
Securities available for sale (AFS), at fair value 26,000 37,000  
Estimated Fair Value, held to maturity 34,395,000 20,223,000  
Gross unrealized losses, held to maturity 242,000 45,000  
Residential Collateralized Mortgage Obligations, Issued By US Government Sponsored Enterprises [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amortized cost, available for sale 31,182,000 38,294,000  
Securities held to maturity (HTM), at amortized cost 73,492,000 62,683,000  
Securities available for sale (AFS), at fair value 30,664,000 37,541,000  
Estimated Fair Value, held to maturity 73,171,000 62,482,000  
Gross unrealized losses, available for sale 557,000 830,000  
Fair value of AFS Securities with unrealized losses 22,000,000 27,200,000  
Gross unrealized losses, held to maturity $ 599,000 $ 580,000  
Asset-backed Securities, Issued by US Government Sponsored Enterprises [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Available for sale securities, average life 4 years 4 months 21 days 3 years 7 months 28 days  
Available for sale securities, average duration 4 years 15 days 3 years 4 months 28 days  
Held to maturity securities, average life 5 years 26 days 3 years 4 months 24 days  
Held to maturity securities, average duration 4 years 6 months 29 days 3 years 2 months 16 days  
Available for sale securities with unrealized losses, average life 4 years 5 months 12 days 3 years 9 months 7 days  
Available for sale securities with unrealized losses, average duration 4 years 15 days 3 years 5 months 16 days  
Held to maturity securities with unrealized losses, average life 5 years 5 months 1 day 3 years 2 months 23 days  
Held to maturity securities with unrealized losses, average duration 4 years 9 months 11 days 3 years 4 days  
Securities held to maturity (HTM), at amortized cost $ 107,600,000 $ 82,200,000  
Gross unrealized losses, available for sale 557,000 830,000  
Fair value of HTM Securities with unrealized losses 52,800,000 35,600,000  
Gross unrealized losses, held to maturity $ 841,000 $ 625,000  
Asset-backed Securities, Issued by Private Enterprises [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Held to maturity securities with unrealized losses, average life 4 years 15 days 4 years 3 months 7 days  
Held to maturity securities with unrealized losses, average duration 3 years 3 months 15 days 3 years 7 months 13 days  
Fair value of HTM Securities with unrealized losses $ 992,000 $ 1,300,000  
Residential Collateralized Mortgage Obligations, Issued By Private Enterprises [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Securities held to maturity (HTM), at amortized cost 1,093,000 1,472,000  
Estimated Fair Value, held to maturity 993,000 1,360,000  
Gross unrealized losses, held to maturity 100,000 112,000  
Debt Securities [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Securities held to maturity (HTM), at amortized cost 108,670,000 83,656,000  
Estimated Fair Value, held to maturity 108,559,000 84,065,000  
Gross unrealized losses, held to maturity 941,000 737,000  
Corporate Equity Securities [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amortized cost, available for sale 37,000 37,000  
Securities available for sale (AFS), at fair value 39,000 40,000  
Bond Mutual Funds [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amortized cost, available for sale 4,289,000 4,199,000  
Securities available for sale (AFS), at fair value 4,387,000 4,321,000  
US Government Obligations [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Securities held to maturity (HTM), at amortized cost 750,000    
Estimated Fair Value, held to maturity 750,000    
Standard Poor's, AAA Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount $ 138,267,000 $ 119,762,000  
Standard Poor's, AAA Rating [Member] | Asset Backed Securities [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Percentage of asset backed securities in investment portfolio 99.00% 99.00%  
Standard Poor's, BBB Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount $ 68,000  
Standard Poor's, BB Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount $ 518,000 $ 695,000  
Standard Poor's, BB - Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount  
Standard Poor's, B+ Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount $ 575,000  
Standard Poor's CCC + Rating [Member]      
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Amount $ 709,000