Portfolio Loans - Summary of Recorded Investment by Category for Portfolio Loans Restructured (Details) - Non-Covered Loans $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan	Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	4	0	8
Pre-Modification Outstanding Recorded Balance	$ 0	$ 3,842	$ 0	$ 5,862
Post-Modification Outstanding Recorded Balance	$ 0	$ 3,842	$ 0	$ 5,612
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	2	0	2
Pre-Modification Outstanding Recorded Balance	$ 0	$ 658	$ 0	$ 658
Post-Modification Outstanding Recorded Balance	$ 0	$ 658	$ 0	$ 658
CRE - owner occupied
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	1	0	3
Pre-Modification Outstanding Recorded Balance	$ 0	$ 357		$ 1,649
Post-Modification Outstanding Recorded Balance	$ 0	$ 357	$ 0	$ 1,399
Real Estate Loans Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Balance			$ 0
Commercial Real Estate Investor Owned
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0	0	1
Pre-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 603
Post-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 603
Construction and land development
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	1	0	1
Pre-Modification Outstanding Recorded Balance	$ 0	$ 2,827	$ 0	$ 2,827
Post-Modification Outstanding Recorded Balance	$ 0	$ 2,827	$ 0	$ 2,827
Residential real estate
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0	0	1
Pre-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 125
Post-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 125
Consumer and other
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0	0	0
Pre-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Balance	$ 0	$ 0	$ 0	$ 0

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Number of 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 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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