Loans - Loans Held for Investment Individually Evaluated for Impairment by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Unpaid Principal Balance
Total with no related allowance recorded	$ 3,653	$ 5,139
Total with an allowance recorded	1,857	2,265
Total	5,510	7,404
Recorded Investment
Total with no related allowance recorded	2,776	4,262
Total with an allowance recorded	1,857	2,265
Total	4,633	6,527	$ 5,686
Total with an allowance recorded, Allowance for Loan Losses Allocated	1,668	286
Commercial
Unpaid Principal Balance
Total with no related allowance recorded	1,857	745
Total with an allowance recorded	1,857	1,506
Recorded Investment
Total with no related allowance recorded	1,857	745
Total with an allowance recorded	1,857	1,506
Total with an allowance recorded, Allowance for Loan Losses Allocated	1,668	174
Consumer
Unpaid Principal Balance
Total with no related allowance recorded	3	4
Recorded Investment
Total with no related allowance recorded	3	4
Commercial \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	1,299	3,851
Recorded Investment
Total with no related allowance recorded	440	2,992
Land and construction \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	219	237
Recorded Investment
Total with no related allowance recorded	201	219
Home equity \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	275	302
Total with an allowance recorded		759
Recorded Investment
Total with no related allowance recorded	$ 275	302
Total with an allowance recorded		759
Total with an allowance recorded, Allowance for Loan Losses Allocated		$ 112

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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+ References

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-Name Accounting Standards Codification
-Topic 310
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-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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