Loans - Impaired Loans Individually Evaluated (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
With an allowance recorded
Related allowance	$ 7,468	$ 1,775
Recorded investment	70,256	93,324
Unpaid principal balance	70,586	93,867
Commercial & Industrial
With an allowance recorded
Related allowance	7,207	1,654
Recorded investment	57,114	71,082
Unpaid principal balance	57,400	71,576
Real Estate Portfolio Segment
With an allowance recorded
Related allowance	20
Recorded investment	12,846	22,023
Unpaid principal balance	12,895	22,071
Consumer and other
With an allowance recorded
Related allowance	241	121
Recorded investment	296	219
Unpaid principal balance	291	220
Originated
With no related allowance recorded
Recorded investment	25,128	41,920
Unpaid principal balance	25,309	42,178
With an allowance recorded
Recorded investment	21,056	3,111
Unpaid principal balance	21,086	3,157
Related allowance	7,079	513
Recorded investment	46,184	45,031
Unpaid principal balance	46,395	45,335
Originated \| Commercial & Industrial
With no related allowance recorded
Recorded investment	21,083	33,415
Unpaid principal balance	21,262	33,671
With an allowance recorded
Recorded investment	21,002	2,992
Unpaid principal balance	21,032	3,038
Related allowance	7,050	394
Originated \| Commercial real estate
With no related allowance recorded
Recorded investment	1,979	7,155
Unpaid principal balance	1,986	7,162
Originated \| Residential mortgage
With no related allowance recorded
Recorded investment	2,039	1,254
Unpaid principal balance	2,034	1,249
Originated \| Consumer and other
With no related allowance recorded
Recorded investment	27	96
Unpaid principal balance	27	96
With an allowance recorded
Recorded investment	54	119
Unpaid principal balance	54	119
Related allowance	29	119
Acquired
With no related allowance recorded
Recorded investment	18,863	46,538
Unpaid principal balance	18,917	46,755
With an allowance recorded
Recorded investment	5,209	1,755
Unpaid principal balance	5,274	1,777
Related allowance	389	1,262
Recorded investment	24,072	48,293
Unpaid principal balance	24,191	48,532
Acquired \| Commercial & Industrial
With no related allowance recorded
Recorded investment	10,055	32,922
Unpaid principal balance	10,062	33,093
With an allowance recorded
Recorded investment	4,974	1,753
Unpaid principal balance	5,044	1,774
Related allowance	157	1,260
Acquired \| Owner occupied commercial real estate
With no related allowance recorded
Recorded investment	6,958
Unpaid principal balance	6,992
With an allowance recorded
Recorded investment		8,942
Unpaid principal balance		8,949
Acquired \| Commercial real estate
With no related allowance recorded
Recorded investment		2,002
Unpaid principal balance		2,026
Acquired \| Construction, land & land development
With no related allowance recorded
Recorded investment	1,467
Unpaid principal balance	1,480
With an allowance recorded
Recorded investment		978
Unpaid principal balance		991
Acquired \| Residential mortgage
With no related allowance recorded
Recorded investment	383	1,692
Unpaid principal balance	383	1,694
With an allowance recorded
Recorded investment	20
Unpaid principal balance	20
Related allowance	20
Acquired \| Consumer and other
With no related allowance recorded
Recorded investment		2
Unpaid principal balance		2
With an allowance recorded
Recorded investment	215	2
Unpaid principal balance	210	3
Related allowance	$ 212	$ 2

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
-Publisher FASB
-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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