Loans - Loans Held for Investment Individually Evaluated for Impairment by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Unpaid Principal Balance
Total with no related allowance recorded	$ 4,845	$ 3,574
Total with an allowance recorded	1,565	494
Total	6,410	4,068
Recorded Investment
Total with no related allowance recorded	3,968	2,696
Total with an allowance recorded	1,565	494
Total	5,533	3,190	$ 4,329
Total with an allowance recorded, Allowance for Loan Losses Allocated	1,441	329
Commercial
Unpaid Principal Balance
Total with no related allowance recorded	2,609	1,808
Total with an allowance recorded	1,565
Recorded Investment
Total with no related allowance recorded	2,609	1,808
Total with an allowance recorded	1,565	494
Total with an allowance recorded, Allowance for Loan Losses Allocated	1,441	329
Consumer
Unpaid Principal Balance
Total with no related allowance recorded	2	3
Recorded Investment
Total with no related allowance recorded	2	3
Commercial \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	1,770	1,278
Recorded Investment
Total with no related allowance recorded	912	419
Land and construction \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	214	218
Recorded Investment
Total with no related allowance recorded	195	199
Home equity \| Real estate
Unpaid Principal Balance
Total with no related allowance recorded	250	267
Recorded Investment
Total with no related allowance recorded	$ 250	$ 267

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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