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Loans and Allowance for Loan and Lease Losses - Summary of Analysis Performed Risk category Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Loans	$ 1,959,855	$ 1,291,885
Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Loans	420,742	291,819
Construction, land development, land
Accounts Notes And Loans Receivable [Line Items]
Loans	101,169	43,876
1-4 family residential properties
Accounts Notes And Loans Receivable [Line Items]
Loans	108,721	78,244
Farmland
Accounts Notes And Loans Receivable [Line Items]
Loans	139,109	33,573
Commercial Loans
Accounts Notes And Loans Receivable [Line Items]
Loans	777,806	495,356
Factored receivables
Accounts Notes And Loans Receivable [Line Items]
Loans	213,955	215,088
Consumer
Accounts Notes And Loans Receivable [Line Items]
Loans	25,602	13,050
Mortgage warehouse
Accounts Notes And Loans Receivable [Line Items]
Loans	172,751	120,879
Pass
Accounts Notes And Loans Receivable [Line Items]
Loans	1,870,804	1,251,388
Pass | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Loans	400,044	284,753
Pass | Construction, land development, land
Accounts Notes And Loans Receivable [Line Items]
Loans	96,943	42,499
Pass | 1-4 family residential properties
Accounts Notes And Loans Receivable [Line Items]
Loans	104,888	73,838
Pass | Farmland
Accounts Notes And Loans Receivable [Line Items]
Loans	130,687	33,573
Pass | Commercial Loans
Accounts Notes And Loans Receivable [Line Items]
Loans	728,675	470,208
Pass | Factored receivables
Accounts Notes And Loans Receivable [Line Items]
Loans	211,271	212,588
Pass | Consumer
Accounts Notes And Loans Receivable [Line Items]
Loans	25,545	13,050
Pass | Mortgage warehouse
Accounts Notes And Loans Receivable [Line Items]
Loans	172,751	120,879
Substandard
Accounts Notes And Loans Receivable [Line Items]
Loans	57,327	25,785
Substandard | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Loans	6,444	1,977
Substandard | Construction, land development, land
Accounts Notes And Loans Receivable [Line Items]
Loans	276
Substandard | 1-4 family residential properties
Accounts Notes And Loans Receivable [Line Items]
Loans	1,365	1,494
Substandard | Farmland
Accounts Notes And Loans Receivable [Line Items]
Loans	8,422
Substandard | Commercial Loans
Accounts Notes And Loans Receivable [Line Items]
Loans	39,460	21,295
Substandard | Factored receivables
Accounts Notes And Loans Receivable [Line Items]
Loans	1,303	1,019
Substandard | Consumer
Accounts Notes And Loans Receivable [Line Items]
Loans	57
Doubtful
Accounts Notes And Loans Receivable [Line Items]
Loans	1,381	1,481
Doubtful | Factored receivables
Accounts Notes And Loans Receivable [Line Items]
Loans	1,381	1,481
Purchased Credit Impaired Loans
Accounts Notes And Loans Receivable [Line Items]
Loans	30,343	13,231
Purchased Credit Impaired Loans | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Loans	14,254	5,089
Purchased Credit Impaired Loans | Construction, land development, land
Accounts Notes And Loans Receivable [Line Items]
Loans	3,950	1,377
Purchased Credit Impaired Loans | 1-4 family residential properties
Accounts Notes And Loans Receivable [Line Items]
Loans	2,468	2,912
Purchased Credit Impaired Loans | Commercial Loans
Accounts Notes And Loans Receivable [Line Items]
Loans	$ 9,671	$ 3,853

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+ References

No definition available.

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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