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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	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
One-To-Four Family Residential Real Estate Loan [Member]
Impaired loans	$ 171	$ 171
Total (losses)/gains on impaired loans fair value disclosure	(15)	(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	171	171
Commercial Real Estate Loan [Member]
Impaired loans	1,779
Commercial Real Estate Loan [Member]
Impaired loans		33
Total (losses)/gains on impaired loans fair value disclosure	2	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	1,779	33
Commercial Loan [Member]
Impaired loans	1,301	1,600
Total (losses)/gains on impaired loans fair value disclosure	(338)	(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	1,301	1,600
Agriculture Loan [Member]
Impaired loans	233	264
Total (losses)/gains on impaired loans fair value disclosure	(1)	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	$ 233	264
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
Real Estate Owned One-To-Four Family Residential Real Estate Loan [Member]
Impaired loans		325
Total (losses)/gains on impaired loans fair value disclosure		(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		325
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

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+ References

No definition available.

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