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Loans, net and allowance for loan losses - Major Classifications of Loans Outstanding (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable |  |
Loans, net | $ 1,779,445 | $ 1,693,065
Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans, net | 478,128 | 476,199
Real estate Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans, net | 881,071 | 786,210
Real estate Residential |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans, net | 297,819 | 287,935
Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans, net | $ 122,427 | $ 142,721

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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