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Portfolio Loans - Summary of Recorded Investment in Portfolio Loans by Class and Category Based on Impairment Method (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Loans - Ending balance:
Loans and Leases Receivable, Gross	$ 2,883,909		$ 2,750,737
Portfolio loans, net
Balance June 30, 2016
Individually evaluated for impairment	4,677		2,335
Collectively evaluated for impairment	30,821		31,106
Total	35,498	$ 34,373	33,441
Loans - Ending balance:
Individually evaluated for impairment	14,788		10,878
Collectively evaluated for impairment	2,869,121		2,739,859
Total	2,884,159		2,750,446
Loans and Leases Receivable, Gross	2,883,909		2,750,737
Portfolio loans, net | Commercial and industrial
Balance June 30, 2016
Individually evaluated for impairment	2,716		1,953
Collectively evaluated for impairment	21,092		20,103
Total	23,808	23,161	22,056
Loans - Ending balance:
Individually evaluated for impairment	5,019		4,514
Collectively evaluated for impairment	1,535,438		1,479,813
Total	1,540,457		1,484,327
Portfolio loans, net | Commercial Real Estate Investor Owned
Balance June 30, 2016
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	3,356		3,484
Total	3,356	3,375	3,484
Loans - Ending balance:
Individually evaluated for impairment	248		921
Collectively evaluated for impairment	466,465		427,143
Total	466,713		428,064
Portfolio loans, net | CRE - owner occupied
Balance June 30, 2016
Individually evaluated for impairment	0		6
Collectively evaluated for impairment	2,591		2,963
Total	2,591	3,117	2,969
Loans - Ending balance:
Individually evaluated for impairment	1,704		1,962
Collectively evaluated for impairment	330,935		340,997
Total	332,639		342,959
Portfolio loans, net | Construction and land development
Balance June 30, 2016
Individually evaluated for impairment	31		369
Collectively evaluated for impairment	1,188		1,335
Total	1,219	1,645	1,704
Loans - Ending balance:
Individually evaluated for impairment	2,576		2,800
Collectively evaluated for impairment	169,202		158,261
Total	171,778		161,061
Portfolio loans, net | Residential real estate
Balance June 30, 2016
Individually evaluated for impairment	3		7
Collectively evaluated for impairment	1,794		1,789
Total	1,797	1,841	1,796
Loans - Ending balance:
Individually evaluated for impairment	670		681
Collectively evaluated for impairment	210,485		195,817
Total	211,155		196,498
Portfolio loans, net | Consumer and other
Balance June 30, 2016
Individually evaluated for impairment	1,927		0
Collectively evaluated for impairment	800		1,432
Total	2,727	$ 1,234	1,432
Loans - Ending balance:
Individually evaluated for impairment	4,571		0
Collectively evaluated for impairment	156,596		137,828
Total	161,417		137,537
Loans and Leases Receivable, Gross	$ 161,167		$ 137,828

X

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Topic 310
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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