Federal Home Loan Bank Borrowings (Narrative) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Federal Home Loan Bank, Advances [Line Items]
Federal home loan bank stock	$ 8,248,000us-gaap_FederalHomeLoanBankStock	$ 7,579,000us-gaap_FederalHomeLoanBankStock
Loans receivable 1 to 4 family mortgage loans Pledged As Collateral	189,000,000	168,750,000
Loans receivable commercial real estate and multi family mortgage loans pledged as collateral	185,280,000	167,350,000
Loan borrowed against collateral	0hbia_LoanBorrowedAgainstCollateral
Payments on FHLB borrowings	0	0	60,000,000
Gains (losses) on extinguishment of debt	0	0	(5,925,000)
Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances [Line Items]
Amount of overnight borrowing	$ 15,000,000	$ 0

Refers to amount of loans borrowed against collateral.

No definition available.

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- Definition

The fair value of mortgage loan receivables on 1 to 4 family residential property that serve as collateral for borrowings.

+ References

No definition available.

+ Details

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- Definition

The fair value of mortgage loan receivables on commercial real estate and multi-family residential property that serve as collateral for borrowings.

+ References

No definition available.

+ Details

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- Definition

Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with floating interest rate maturing within one year after the latest balance sheet date.

+ References

No definition available.

+ Details

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- Details

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 325

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629

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- Definition

The cash outflow for the payment of loan drawn from Federal Home Loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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