Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 165,453	$ 126,271
Average Maturity	5 years 2 months 12 days	3 years 8 months 12 days
Fair Value	$ 632	$ 619
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	2,584	1,238
Liability Derivatives	1,952	619
No Hedge Designation [Member] \| Rate-Lock Mortgage Loan Commitments [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 23,854	$ 20,581
Average Maturity	1 month 6 days	1 month 6 days
Fair Value	$ 769	$ 550
No Hedge Designation [Member] \| Mandatory Commitments to Sell Mortgage Loans [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 50,127	$ 46,320
Average Maturity	1 month 6 days	1 month 6 days
Fair Value	$ (137)	$ 69
No Hedge Designation [Member] \| Purchased Options [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 2,803	$ 2,098
Average Maturity	5 years 3 months 18 days	5 years 8 months 12 days
Fair Value	$ 200	$ 122
No Hedge Designation [Member] \| Written Options [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 2,803	$ 2,098
Average Maturity	5 years 3 months 18 days	5 years 8 months 12 days
Fair Value	$ (200)	$ (122)
Fixed Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 42,933	$ 27,587
Average Maturity	9 years 6 months	8 years
Fair Value	$ (1,615)	$ (497)
Variable Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 42,933	$ 27,587
Average Maturity	9 years 6 months	8 years
Fair Value	$ 1,615	$ 497
Other Assets [Member] \| No Hedge Designation [Member] \| Rate-Lock Mortgage Loan Commitments [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	769	550
Other Assets [Member] \| No Hedge Designation [Member] \| Mandatory Commitments to Sell Mortgage Loans [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	0	69
Other Assets [Member] \| No Hedge Designation [Member] \| Purchased Options [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	200	122
Other Assets [Member] \| No Hedge Designation [Member] \| Written Options [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	0	0
Other Assets [Member] \| Fixed Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	0	0
Other Assets [Member] \| Variable Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	1,615	497
Other Liabilities [Member] \| No Hedge Designation [Member] \| Rate-Lock Mortgage Loan Commitments [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	0	0
Other Liabilities [Member] \| No Hedge Designation [Member] \| Mandatory Commitments to Sell Mortgage Loans [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	137	0
Other Liabilities [Member] \| No Hedge Designation [Member] \| Purchased Options [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	0	0
Other Liabilities [Member] \| No Hedge Designation [Member] \| Written Options [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	200	122
Other Liabilities [Member] \| Fixed Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	1,615	497
Other Liabilities [Member] \| Variable Income Interest Rate [Member] \| No Hedge Designation [Member] \| Interest Rate Swap [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	$ 0	$ 0

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313

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

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- Definition

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611

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- References

No definition available.

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- References

No definition available.

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