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Portfolio Loans - Summary of Recorded Investment in Impaired Portfolio Loans by Category (Details) - Non-Covered Loans - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	$ 13,060	$ 9,680
Restructured	2,331	307
Total Recorded Investment	15,391	9,987
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	10,046	4,406
Restructured	2,311	307
Total Recorded Investment	12,357	4,713
CRE - investor owned
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	435	927
Restructured	0	0
Total Recorded Investment	435	927
CRE - owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	231	198
Restructured	0	0
Total Recorded Investment	231	198
Construction and land development
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	2,286	3,444
Restructured	20	0
Total Recorded Investment	2,306	3,444
Residential real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	62	705
Restructured	0	0
Total Recorded Investment	62	705
Consumer and other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	0	0
Restructured	0	0
Total Recorded Investment	$ 0	$ 0

X

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

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- Definition

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+ References

No definition available.

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- Definition

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

+ References

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=49124121&loc=SL6953550-111524

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