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Portfolio Loans - Summary of Portfolio Loans Individually Evaluated for Impairment by Category (Details) - Portfolio loans, net - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	$ 21,702	$ 11,864
Recorded Investment With No Allowance	2,374	5,072
Recorded Investment With Allowance	18,064	4,915
Total Recorded Investment	20,438	9,987
Related Allowance	5,801	2,335
Average Recorded Investment	23,569	11,924
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	14,895	5,554
Recorded Investment With No Allowance	136	509
Recorded Investment With Allowance	13,134	4,204
Total Recorded Investment	13,270	4,713
Related Allowance	3,785	1,953
Average Recorded Investment	15,666	6,970
Commercial - owner occupied
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	0	329
Recorded Investment With No Allowance	0	85
Recorded Investment With Allowance	0	113
Total Recorded Investment	0	198
Related Allowance	0	6
Average Recorded Investment	0	301
Commercial - investor owned
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	252	927
Recorded Investment With No Allowance	253	927
Recorded Investment With Allowance	0	0
Total Recorded Investment	253	927
Related Allowance	0	0
Average Recorded Investment	250	970
Construction and land development
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	1,907	4,349
Recorded Investment With No Allowance	1,920	2,914
Recorded Investment With Allowance	358	530
Total Recorded Investment	2,278	3,444
Related Allowance	158	369
Average Recorded Investment	2,403	3,001
Residential real estate
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	149	705
Recorded Investment With No Allowance	65	637
Recorded Investment With Allowance	64	68
Total Recorded Investment	129	705
Related Allowance	3	7
Average Recorded Investment	652	682
Consumer and other
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	4,499	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	4,508	0
Total Recorded Investment	4,508	0
Related Allowance	1,855	0
Average Recorded Investment	$ 4,598	$ 0

X

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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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 (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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-Publisher FASB
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+ References

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