Securities (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	$ 54,565	$ 35,530
Gross unrealized gains, available for sale	45	143
Gross unrealized losses, available for sale	1,577	557
Estimated fair value, available for sale	53,033	35,116
Amortized cost, Held-to-maturity Securities	109,247	109,420
Gross unrealized gains, held to maturity	502	830
Gross unrealized losses, held to maturity	1,715	941
Estimated Fair Value, held to maturity	108,034	109,309
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	4,377	22
Gross unrealized gains, available for sale		4
Gross unrealized losses, available for sale	194
Estimated fair value, available for sale	4,183	26
Amortized cost, Held-to-maturity Securities	34,735	34,085
Gross unrealized gains, held to maturity	367	552
Gross unrealized losses, held to maturity	569	242
Estimated Fair Value, held to maturity	34,533	34,395
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	35,176	31,182
Gross unrealized gains, available for sale	18	39
Gross unrealized losses, available for sale	966	557
Estimated fair value, available for sale	34,228	30,664
Amortized cost, Held-to-maturity Securities	63,060	73,492
Gross unrealized gains, held to maturity	135	278
Gross unrealized losses, held to maturity	802	599
Estimated Fair Value, held to maturity	62,393	73,171
US Agency [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	10,589
Gross unrealized losses, available for sale	417
Estimated fair value, available for sale	10,172
Amortized cost, Held-to-maturity Securities	6,717
Gross unrealized losses, held to maturity	253
Estimated Fair Value, held to maturity	6,464
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	884	1,093
Gross unrealized losses, held to maturity	81	100
Estimated Fair Value, held to maturity	803	993
Debt Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	105,396	108,670
Gross unrealized gains, held to maturity	502	830
Gross unrealized losses, held to maturity	1,705	941
Estimated Fair Value, held to maturity	104,193	108,559
US Government Agencies Callable Agency Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	3,001
Gross unrealized losses, held to maturity	10
Estimated Fair Value, held to maturity	2,991
US Government Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	850	750
Estimated Fair Value, held to maturity	850	750
Corporate Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	37	37
Gross unrealized gains, available for sale		2
Estimated fair value, available for sale	37	39
Bond Mutual Funds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	4,386	4,289
Gross unrealized gains, available for sale	27	98
Estimated fair value, available for sale	$ 4,413	$ 4,387

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

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