Disclosures About Fair Value of Assets and Liabilities (Details Textual) $ in Thousands	6 Months Ended	12 Months Ended
Dec. 31, 2018 USD ($) Loans	Dec. 31, 2017 USD ($)	Jun. 30, 2018 USD ($) Loans
Disclosures About Fair Value of Assets and Liabilities (Textual)
Available-for-sale securities	$ 547		$ 48
Impairment charge	$ 23
Number of impairment loans \| Loans	7		5
Other Real Estate Owned [Member]
Disclosures About Fair Value of Assets and Liabilities (Textual)
Available-for-sale securities	$ 355		$ 5
Other real estate owned written down amount	$ 54	$ 0

For the asset that is reclassified back to held and used from held-for-sale, the amount of impairment charge that is recognized on the reclassification date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 44
-URI http://asc.fasb.org/extlink&oid=29634951&loc=d3e1756-110224

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2459-110228

Name:	us-gaap_ImpairmentChargeOnReclassifiedAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration