Fair Value Measurements - Quantitative Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Fair value, Foreclosed real estate	$ 907	$ 710
Recurring \| Level 3 \| Derivative loan commitments
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Fair Value, Assets	1,002	217
Recurring \| Level 3 \| Forward loan sale commitments
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Fair Value, Liabilities	(554)	(175)
Recurring \| Level 3 \| Best Efforts Contracts
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Fair Value, Liabilities	(554)	(175)
Non-recurring \| Level 3
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Fair value, Impaired loans	816	1,084
Fair value, Foreclosed real estate	$ 907	$ 710
Minimum \| Recurring \| Level 3 \| Derivative loan commitments \| Investor pricing
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Pull-through rate (as a percent)	76.20%	79.60%
Minimum \| Recurring \| Level 3 \| Forward loan sale commitments \| Investor pricing
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Pull-through rate (as a percent)	82.50%	82.50%
Minimum \| Non-recurring \| Level 3 \| Impaired loans (collateral dependent) \| Discounted appraisal
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Collateral discounts/selling costs (as a percent)	5.00%	5.00%
Minimum \| Non-recurring \| Level 3 \| Foreclosed real estate \| Discounted appraisal
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Collateral discounts/selling costs (as a percent)	5.00%	5.00%
Maximum \| Recurring \| Level 3 \| Derivative loan commitments \| Investor pricing
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Pull-through rate (as a percent)	100.00%	100.00%
Maximum \| Recurring \| Level 3 \| Forward loan sale commitments \| Investor pricing
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Pull-through rate (as a percent)	100.00%	100.00%
Maximum \| Non-recurring \| Level 3 \| Impaired loans (collateral dependent) \| Discounted appraisal
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Collateral discounts/selling costs (as a percent)	30.00%	30.00%
Maximum \| Non-recurring \| Level 3 \| Foreclosed real estate \| Discounted appraisal
Additional quantitative information about assets and liabilities measured at fair value on a recurring and non-recurring basis
Collateral discounts/selling costs (as a percent)	30.00%	30.00%

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Represents the collateral discounts and selling costs expressed as a percentage, used as an input to measure fair value.

+ References

No definition available.

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Represents the pull-through rate used as an input to measure fair value.

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Represents the amount of impaired loans assets measured at fair value as on the balance sheet date.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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-Publisher FASB
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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 28
-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph c
-Subparagraph Schedule III
-Article 5

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