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Other Real Estate Owned (OREO) - Additional Information (Detail) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Other Real Estate [Line Items]
Total other real estate owned	$ 2,407,000		$ 1,888,000
Residential real estate carrying amount included in OREO	2,544,000		2,263,000	$ 4,695,000
Net expenses applicable to other real estate owned	51,000	$ 35,000	81,000
Residential Real Estate Properties [Member]
Other Real Estate [Line Items]
Residential real estate carrying amount included in OREO	245,000		$ 0
Mortgage loans foreclosed	$ 23,000

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- Definition

Other Real Estate [Line Items]

+ References

No definition available.

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Other real estate owned expenses.

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- Definition

The amount of mortgage loans on real estate which were foreclosed on during the reporting period.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 948



-SubTopic 310



-Section S99



-Paragraph 1



-Subparagraph (SX 210.12-29.6)



-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 205



-SubTopic 10



-Section S99



-Paragraph 6



-Subparagraph (SX 210.5-04.(c) Schedule IV)



-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.10(4))



-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.10(4))



-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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