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Indebtedness Indebtedness (Details) $ in Millions	Jun. 30, 2018 USD ($)
One Point Seventy Five Percent Borrowing From Federal Home Loan Bank Due March 20, 2018 [Member]
Short-term Debt [Line Items]
Federal Home Loan Bank Advances	$ 75
Federal Home Loan Bank, Advances, Interest Rate	1.75%
One Point Ninety Eight Percent Borrowing From Federal Home Loan Bank Due April 18, 2018 [Member]
Short-term Debt [Line Items]
Federal Home Loan Bank Advances	$ 55
Federal Home Loan Bank, Advances, Interest Rate	1.98%

X

- Definition

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- 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.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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