Fair Value Measurements, Quantitative Information (Details) - Market Comparables [Member] $ in Thousands	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 188	$ 264
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member] \| Selling Costs [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0725	0.0725
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member] \| Liquidation Discount [Member] \| Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement		0.0000
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member] \| Liquidation Discount [Member] \| Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement		0.0400
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member] \| Liquidation Discount [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0400	0.0291
Mortgage Loans on Real Estate [Member] \| Construction [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 74	$ 74
Mortgage Loans on Real Estate [Member] \| Construction [Member] \| Selling Costs [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0725	0.0725
Mortgage Loans on Real Estate [Member] \| Construction [Member] \| Liquidation Discount [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0400	0.0400
Mortgage Loans on Real Estate [Member] \| Equity Line of Credit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 229	$ 229
Mortgage Loans on Real Estate [Member] \| Equity Line of Credit [Member] \| Selling Costs [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0725	0.0725
Mortgage Loans on Real Estate [Member] \| Equity Line of Credit [Member] \| Liquidation Discount [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0400	0.0400
Other Real Estate [Member] \| Construction [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 83
Other Real Estate [Member] \| Construction [Member] \| Selling Costs [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0725
Other Real Estate [Member] \| Construction [Member] \| Liquidation Discount [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement	0.0000

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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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.

+ References

No definition available.

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