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Portfolio Loans - Summary of Allowance for Loan Losses by Portfolio Class and Category (Details) - Portfolio loans, net - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | $ 35,498 | $ 34,373 | $ 33,441
Provision (provision reversal) charged to expense | 3,038 | 716 | 833
Losses charged off | (2,073) | (163) | (73)
Recoveries | 1,035 | 572 | 172
Balance at March 31, 2016 | 37,498 | 35,498 | 34,373
Commercial and industrial |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 23,808 | 23,161 | 22,056
Provision (provision reversal) charged to expense | 3,575 | 302 | 1,120
Losses charged off | (2,044) | (157) | (68)
Recoveries | 69 | 502 | 53
Balance at March 31, 2016 | 25,408 | 23,808 | 23,161
CRE - owner occupied |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 2,591 | 3,117 | 2,969
Provision (provision reversal) charged to expense | 94 | 541 | 80
Losses charged off | 0 | 0 | 0
Recoveries | 17 | 15 | 68
Balance at March 31, 2016 | 2,702 | 2,591 | 3,117
Commercial Real Estate Investor Owned |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 3,356 | 3,375 | 3,484
Provision (provision reversal) charged to expense | 10 | 27 | (116)
Losses charged off | 0 | 0 | 0
Recoveries | 8 | 8 | 7
Balance at March 31, 2016 | 3,374 | 3,356 | 3,375
Construction and land development |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 1,219 | 1,645 | 1,704
Provision (provision reversal) charged to expense | 730 | 434 | (65)
Losses charged off | 0 | 0 | 0
Recoveries | 913 | 8 | 6
Balance at March 31, 2016 | 1,402 | 1,219 | 1,645
Residential real estate |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 1,797 | 1,841 | 1,796
Provision (provision reversal) charged to expense | 168 | (80) | 11
Losses charged off | (25) | 0 | 0
Recoveries | 26 | 36 | 34
Balance at March 31, 2016 | 1,966 | 1,797 | 1,841
Consumer and other |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance at December 31, 2015 | 2,727 | 1,234 | 1,432
Provision (provision reversal) charged to expense | 79 | 1,496 | (197)
Losses charged off | (4) | (6) | (5)
Recoveries | 2 | 3 | 4
Balance at March 31, 2016 | $ 2,646 | $ 2,727 | $ 1,234

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- 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 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + 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 (c)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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