Securities (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	$ 82,037	$ 69,808
Gross unrealized gains, available for sale	13	38
Gross unrealized losses, available for sale	3,024	1,682
Estimated fair value, available for sale	79,026	68,164
Amortized cost, Held-to-maturity Securities	100,842	99,246
Gross unrealized gains, held to maturity	181	197
Gross unrealized losses, held to maturity	3,023	1,436
Estimated Fair Value, held to maturity	98,000	98,007
Equity securities carried at fair value through income	4,367
Equity Securities Carried At Fair Value Through Income, Estimated Fair Value	4,367
Non-marketable equity securities held in other financial institutions	249	121
Non-Marketable Equity Securities Held In Other Financial Institutions, Estimated Fair Value	249	121
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	6,912	7,265
Gross unrealized losses, available for sale	317	178
Estimated fair value, available for sale	6,595	7,087
Amortized cost, Held-to-maturity Securities	27,486	29,113
Gross unrealized gains, held to maturity	94	135
Gross unrealized losses, held to maturity	914	261
Estimated Fair Value, held to maturity	26,666	28,987
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	62,811	45,283
Gross unrealized gains, available for sale	13	12
Gross unrealized losses, available for sale	2,120	1,158
Estimated fair value, available for sale	60,704	44,137
Amortized cost, Held-to-maturity Securities	54,099	54,805
Gross unrealized gains, held to maturity	83	62
Gross unrealized losses, held to maturity	1,531	845
Estimated Fair Value, held to maturity	52,651	54,022
US Agency [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale	12,314	12,863
Gross unrealized losses, available for sale	587	346
Estimated fair value, available for sale	11,727	12,517
Amortized cost, Held-to-maturity Securities	11,130	8,660
Gross unrealized gains, held to maturity	4
Gross unrealized losses, held to maturity	407	235
Estimated Fair Value, held to maturity	10,727	8,425
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, Held-to-maturity Securities		81,700
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	569	651
Gross unrealized losses, held to maturity	45	52
Estimated Fair Value, held to maturity	524	599
US Government Agencies Callable Agency Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	5,013	5,017
Gross unrealized losses, held to maturity	126	43
Estimated Fair Value, held to maturity	4,887	4,974
Certificates of Deposit Fixed [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	1,545
Estimated Fair Value, held to maturity	1,545
US Government Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, Held-to-maturity Securities	1,000	1,000
Estimated Fair Value, held to maturity	1,000	1,000
Bond Mutual Funds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized cost, available for sale		4,397
Gross unrealized gains, available for sale		26
Estimated fair value, available for sale		4,423
CRA Investment Fund [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Equity securities carried at fair value through income	4,445
Equity Securities Carried At Fair Value Through Income, Gross Unrealized Losses	78
Equity Securities Carried At Fair Value Through Income, Estimated Fair Value	4,367
Other Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Non-marketable equity securities held in other financial institutions	249	121
Non-Marketable Equity Securities Held In Other Financial Institutions, Estimated Fair Value	$ 249	$ 121

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Equity Securities Carried At Fair Value Through Income, Estimated Fair Value

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Equity Securities Carried At Fair Value Through Income, Gross Unrealized Losses

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

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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