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Fair Value of Financial Instruments and Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured On Nonrecurring Basis, Valuation Techniques (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
One-To-Four Family Residential Real Estate Loan [Member]
Impaired loans	$ 133	$ 171
Total (losses)/gains on impaired loans fair value disclosure	(120)	(73)
One-To-Four Family Residential Real Estate Loan [Member] | Level 1 [Member]
Impaired loans
One-To-Four Family Residential Real Estate Loan [Member] | Level 2 [Member]
Impaired loans
One-To-Four Family Residential Real Estate Loan [Member] | Level 3 [Member]
Impaired loans	133	171
Commercial Real Estate Loan [Member]
Impaired loans	23	33
Total (losses)/gains on impaired loans fair value disclosure	(278)	12
Commercial Real Estate Loan [Member] | Level 1 [Member]
Impaired loans
Commercial Real Estate Loan [Member] | Level 2 [Member]
Impaired loans
Commercial Real Estate Loan [Member] | Level 3 [Member]
Impaired loans	23	33
Commercial Loan [Member]
Impaired loans	1,345	1,600
Total (losses)/gains on impaired loans fair value disclosure	3	(304)
Commercial Loan [Member] | Level 1 [Member]
Impaired loans
Commercial Loan [Member] | Level 2 [Member]
Impaired loans
Commercial Loan [Member] | Level 3 [Member]
Impaired loans	1,345	1,600
Real Estate Owned One-To-Four Family Residential Real Estate Loan [Member]
Impaired loans	51	325
Total (losses)/gains on impaired loans fair value disclosure	(12)	(68)
Real Estate Owned One-To-Four Family Residential Real Estate Loan [Member] | Level 1 [Member]
Impaired loans
Real Estate Owned One-To-Four Family Residential Real Estate Loan [Member] | Level 2 [Member]
Impaired loans
Real Estate Owned One-To-Four Family Residential Real Estate Loan [Member] | Level 3 [Member]
Impaired loans	$ 51	325
Construction and Land Loan [Member]
Impaired loans		1,499
Total (losses)/gains on impaired loans fair value disclosure		(102)
Construction and Land Loan [Member] | Level 1 [Member]
Impaired loans
Construction and Land Loan [Member] | Level 2 [Member]
Impaired loans
Construction and Land Loan [Member] | Level 3 [Member]
Impaired loans		1,499
Agriculture Loan [Member]
Impaired loans		264
Total (losses)/gains on impaired loans fair value disclosure		65
Agriculture Loan [Member] | Level 1 [Member]
Impaired loans
Agriculture Loan [Member] | Level 2 [Member]
Impaired loans
Agriculture Loan [Member] | Level 3 [Member]
Impaired loans		264
Real Estate Owned Commercial Real Estate Loan [Member]
Impaired loans		85
Total (losses)/gains on impaired loans fair value disclosure		(50)
Real Estate Owned Commercial Real Estate Loan [Member] | Level 1 [Member]
Impaired loans
Real Estate Owned Commercial Real Estate Loan [Member] | Level 2 [Member]
Impaired loans
Real Estate Owned Commercial Real Estate Loan [Member] | Level 3 [Member]
Impaired loans		$ 85

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- Definition

Gain Loss On Impaired Loans Fair Value Disclosure

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as impaired loans disclosure.

+ References

No definition available.

+ Details

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