Fair Value (Fair Value on a Recurring Basis) (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of portfolio in residential mortgage backed securities	57.00%
Residential mortgage backed securities guaranteed by Government National Mortgage Association or Federal National Mortgage Association or Federal Home Loan Mortgage Corporation	$ 26,200
Securities available for sale	46,713	$ 52,287
Estimated fair value	2,144	$ 1,206
Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 26,613

Percentage Of Portfolio In Residential Mortgage Backed Securities

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- Definition

Residential Mortgage Backed Securities Guaranteed By Government National Mortgage Association Or Federal National Mortgage Association Or Federal Home Loan Mortgage Corporation

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value of investments in trading equity securities and other forms of trading securities that provide ownership interests.

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