Immediate available credit.

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- Definition

Number Of Federal Home Loan Bank Advances

+ References

No definition available.

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- Definition

Number Of Payments For Federal Home Loan Bank Advances

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-Publisher FASB
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-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64702-112823

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-Paragraph 1
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maturity period on fixed rate advances made and reported by Federal Home Loan Bank (FHLBank), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow from payments for Federal Home Loan Bank (FHLBank) advances.

+ References

No definition available.

+ Details

Name:	us-gaap_PaymentsForFederalHomeLoanBankAdvances
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- Details

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Debt - Additional Information (Detail)		1 Months Ended			12 Months Ended
Debt - Additional Information (Detail)	May 28, 2015 USD ($)	Sep. 30, 2016 USD ($) Loan	Apr. 30, 2016 USD ($) Loan	Feb. 29, 2016 USD ($) Loan	Dec. 31, 2016 USD ($) Loan	Mar. 21, 2017 USD ($) Loan	Dec. 31, 2015 USD ($) Loan
Debt Instrument [Line Items]
Federal Home Loan Bank advances					$ 35,000,000		$ 40,000,000
Number of FHLB debt advances \| Loan					5		7
Number of payments for FHLB debt advances \| Loan		3	3	3
Repayment on Federal Home Loan Bank advances		$ 5,000,000	$ 5,000,000	$ 5,000,000
Immediate available credit					$ 74,900,000
Total line of credit					$ 115,900,000
Weighted average interest rate					1.49%		1.17%
Subordinated Debt Due May 2025
Debt Instrument [Line Items]
Current Interest Rate	6.50%				6.50%		6.50%
Debt instrument, maturity date	May 28, 2025
Debt instrument, face amount	$ 7,000,000				$ 7,000,000		$ 7,000,000
Debt instrument, frequency of payment					1st of March and September of each year, commencing September 1, 2015
Fixed Rate Credit \| Federal Home Loan Bank Advances Two
Debt Instrument [Line Items]
Federal Home Loan Bank advances					$ 5,000,000
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate					3 months
Current Interest Rate					0.49%
Debt instrument, maturity date					Jan. 20, 2017
Fixed Rate Credit \| Federal Home Loan Bank Advances Six
Debt Instrument [Line Items]
Federal Home Loan Bank advances					$ 10,000,000
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate					2 months
Current Interest Rate					0.67%
Debt instrument, maturity date					Feb. 28, 2017
Fixed Rate Credit \| Federal Home Loan Bank Advances Five
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate					11 months
Current Interest Rate					0.995%
Fixed Rate Credit \| Federal Home Loan Bank Advances Seven
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate					3 months
Current Interest Rate					0.79%
Fixed Rate Credit \| Federal Home Loan Bank Advances Eight
Debt Instrument [Line Items]
Federal Home Loan Bank advances					$ 5,000,000
Number of FHLB debt advances \| Loan					2
Fixed Rate Credit \| Federal Home Loan Bank Advances Eight \| Subsequent Event
Debt Instrument [Line Items]
Federal Home Loan Bank advances						$ 5,000,000
Number of FHLB debt advances \| Loan						2