Securities (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	$ 55,096	$ 54,565
Gross unrealized gains, available for sale	68	45
Gross unrealized losses, available for sale	876	1,577
Estimated fair value, available for sale	54,288	53,033
Amortized cost, Held-to-maturity Securities	106,842	109,247
Gross unrealized gains, held to maturity	620	502
Gross unrealized losses, held to maturity	687	1,715
Estimated Fair Value, held to maturity	106,775	108,034
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	6,229	4,377
Gross unrealized losses, available for sale	83	194
Estimated fair value, available for sale	6,146	4,183
Amortized cost, Held-to-maturity Securities	30,612	34,735
Gross unrealized gains, held to maturity	413	367
Gross unrealized losses, held to maturity	74	569
Estimated Fair Value, held to maturity	30,951	34,533
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	34,185	35,176
Gross unrealized gains, available for sale	16	18
Gross unrealized losses, available for sale	595	966
Estimated fair value, available for sale	33,606	34,228
Amortized cost, Held-to-maturity Securities	60,500	63,060
Gross unrealized gains, held to maturity	190	135
Gross unrealized losses, held to maturity	449	802
Estimated Fair Value, held to maturity	60,241	62,393
US Agency [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	10,213	10,589
Gross unrealized losses, available for sale	198	417
Estimated fair value, available for sale	10,015	10,172
Amortized cost, Held-to-maturity Securities	8,970	6,717
Gross unrealized gains, held to maturity	7
Gross unrealized losses, held to maturity	102	253
Estimated Fair Value, held to maturity	8,875	6,464
Asset-backed Securities, Issued by US Government Sponsored Enterprises and U.S. Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	50,600	50,100
Gross unrealized losses, available for sale	876	1,600
Amortized cost, Held-to-maturity Securities	100,100	108,400
Gross unrealized losses, held to maturity	625	1,600
Residential Collateralized Mortgage Obligations, Issued By Private Enterprises [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	740	884
Gross unrealized losses, held to maturity	62	81
Estimated Fair Value, held to maturity	678	803
US Government Agencies Callable Agency Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	5,020	3,001
Gross unrealized gains, held to maturity	10
Gross unrealized losses, held to maturity		10
Estimated Fair Value, held to maturity	5,030	2,991
US Government Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	1,000	850
Estimated Fair Value, held to maturity	1,000	850
Corporate Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	37	37
Estimated fair value, available for sale	37	37
Bond Mutual Funds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	4,432	4,386
Gross unrealized gains, available for sale	52	27
Estimated fair value, available for sale	$ 4,484	$ 4,413

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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