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Loans and Leases - Schedule of Past Due Loans and Leases (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | $ 4,806,306 | $ 4,672,909
Less: unearned income and deferred costs and fees | (3,597) | (3,789)
Total loans and leases, net of unearned income and deferred costs and fees | 4,802,709 | 4,669,120
Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 4,521,382 | 4,349,180
Total | 4,534,838 | 4,362,332
90 days and accruing | 0 | 44
Nonaccrual | 17,518 | 16,253
Less: unearned income and deferred costs and fees | (3,597) | (3,789)
Less: unearned income and deferred costs and fees, 90 days and accruing | 0 | 0
Less: unearned income and deferred costs and fees, 90 days and accruing | (3,597) | (3,789)
Less: unearned income and deferred costs and fees, Nonaccrual | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 4,531,241 | 4,358,543
Total originated loans and leases, net of unearned income and deferred costs and fees, current loans | 4,517,785 | 4,345,391
Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 6,454 | 6,791
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 6,454 | 6,791
Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 7,002 | 6,361
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 7,002 | 6,361
Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 269,224 | 307,027
Total | 271,468 | 310,577
90 days and accruing | 1,420 | 1,146
Nonaccrual | 2,659 | 3,264
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 271,468 | 310,577
Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,109 | 1,256
Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,135 | 2,294
Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,065,385 | 1,091,651
Commercial and industrial | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 93,228 | 108,608
Commercial and industrial | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 972,157 | 983,043
Commercial and industrial | Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,019,901 | 1,039,395
Total | 1,021,094 | 1,040,675
90 days and accruing | 0 | 0
Nonaccrual | 3,911 | 2,852
Commercial and industrial | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 46 | 431
Commercial and industrial | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,147 | 849
Commercial and industrial | Originated Loans and Leases | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 93,228 | 108,608
Total | 93,228 | 108,608
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial and industrial | Originated Loans and Leases | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Originated Loans and Leases | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Originated Loans and Leases | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 926,673 | 930,787
Total | 927,866 | 932,067
90 days and accruing | 0 | 0
Nonaccrual | 3,911 | 2,852
Commercial and industrial | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 46 | 431
Commercial and industrial | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,147 | 849
Commercial and industrial | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 44,291 | 50,903
Total | 44,291 | 50,976
90 days and accruing | 17 | 61
Nonaccrual | 23 | 0
Commercial and industrial | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 12
Commercial and industrial | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 61
Commercial and industrial | Total Acquired Loans | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 0 | 0
Commercial and industrial | Total Acquired Loans | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 44,291 | 50,903
Total | 44,291 | 50,976
90 days and accruing | 17 | 61
Nonaccrual | 23 | 0
Commercial and industrial | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 12
Commercial and industrial | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 61
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 2,321,158 | 2,200,727
Commercial real estate | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 147,813 | 129,959
Commercial real estate | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,992,852 | 1,866,802
Commercial real estate | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 180,493 | 203,966
Commercial real estate | Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 2,134,545 | 1,989,272
Total | 2,138,013 | 1,992,980
90 days and accruing | 0 | 0
Nonaccrual | 3,821 | 5,402
Commercial real estate | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,919 | 1,583
Commercial real estate | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,549 | 2,125
Commercial real estate | Originated Loans and Leases | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 147,500 | 129,712
Total | 147,582 | 129,712
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Originated Loans and Leases | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 82 | 0
Commercial real estate | Originated Loans and Leases | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Originated Loans and Leases | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,807,962 | 1,657,074
Total | 1,811,348 | 1,660,782
90 days and accruing | 0 | 0
Nonaccrual | 3,821 | 5,402
Commercial real estate | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,837 | 1,583
Commercial real estate | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,549 | 2,125
Commercial real estate | Originated Loans and Leases | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 179,083 | 202,486
Total | 179,083 | 202,486
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Originated Loans and Leases | Construction | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Originated Loans and Leases | Construction | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 182,895 | 206,853
Total | 183,145 | 207,747
90 days and accruing | 567 | 515
Nonaccrual | 151 | 546
Commercial real estate | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 135 | 167
Commercial real estate | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 115 | 727
Commercial real estate | Total Acquired Loans | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 231 | 247
Total | 231 | 247
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Total Acquired Loans | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 181,254 | 205,126
Total | 181,504 | 206,020
90 days and accruing | 567 | 515
Nonaccrual | 151 | 546
Commercial real estate | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 135 | 167
Commercial real estate | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 115 | 727
Commercial real estate | Total Acquired Loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,410 | 1,480
Total | 1,410 | 1,480
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Total Acquired Loans | Construction | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Construction | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,338,406 | 1,302,941
Residential real estate | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 231,601 | 241,256
Residential real estate | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,106,805 | 1,061,685
Residential real estate | Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,287,379 | 1,244,514
Total | 1,295,233 | 1,251,852
90 days and accruing | 0 | 0
Nonaccrual | 9,533 | 7,645
Residential real estate | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 3,627 | 4,198
Residential real estate | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 4,227 | 3,140
Residential real estate | Originated Loans and Leases | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 207,486 | 211,319
Total | 209,168 | 212,812
90 days and accruing | 0 | 0
Nonaccrual | 1,597 | 1,537
Residential real estate | Originated Loans and Leases | Home equity | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 664 | 1,045
Residential real estate | Originated Loans and Leases | Home equity | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,018 | 448
Residential real estate | Originated Loans and Leases | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,079,893 | 1,033,195
Total | 1,086,065 | 1,039,040
90 days and accruing | 0 | 0
Nonaccrual | 7,936 | 6,108
Residential real estate | Originated Loans and Leases | Mortgages | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,963 | 3,153
Residential real estate | Originated Loans and Leases | Mortgages | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 3,209 | 2,692
Residential real estate | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 41,179 | 48,510
Total | 43,173 | 51,089
90 days and accruing | 836 | 570
Nonaccrual | 2,485 | 2,718
Residential real estate | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 974 | 1,073
Residential real estate | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,020 | 1,506
Residential real estate | Total Acquired Loans | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 21,203 | 27,279
Total | 22,433 | 28,444
90 days and accruing | 61 | 130
Nonaccrual | 1,204 | 1,604
Residential real estate | Total Acquired Loans | Home equity | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 537 | 601
Residential real estate | Total Acquired Loans | Home equity | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 693 | 564
Residential real estate | Total Acquired Loans | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 19,976 | 21,231
Total | 20,740 | 22,645
90 days and accruing | 775 | 440
Nonaccrual | 1,281 | 1,114
Residential real estate | Total Acquired Loans | Mortgages | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 437 | 472
Residential real estate | Total Acquired Loans | Mortgages | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 327 | 942
Consumer and other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 67,302 | 63,123
Consumer and other | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 55,339 | 50,979
Consumer and other | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 11,963 | 12,144
Consumer and other | Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 65,502 | 61,532
Total | 66,443 | 62,358
90 days and accruing | 0 | 44
Nonaccrual | 253 | 354
Consumer and other | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 862 | 579
Consumer and other | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 79 | 247
Consumer and other | Originated Loans and Leases | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 53,850 | 50,042
Total | 54,480 | 50,214
90 days and accruing | 0 | 38
Nonaccrual | 69 | 76
Consumer and other | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 618 | 130
Consumer and other | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 12 | 42
Consumer and other | Originated Loans and Leases | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 11,652 | 11,490
Total | 11,963 | 12,144
90 days and accruing | 0 | 6
Nonaccrual | 184 | 278
Consumer and other | Originated Loans and Leases | Indirect | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 244 | 449
Consumer and other | Originated Loans and Leases | Indirect | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 67 | 205
Consumer and other | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 859 | 761
Total | 859 | 765
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Consumer and other | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 4
Consumer and other | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Consumer and other | Total Acquired Loans | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 859 | 761
Total | 859 | 765
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Consumer and other | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 4
Consumer and other | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Consumer and other | Total Acquired Loans | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 0 | 0
Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 14,055 | 14,467
Leases | Originated Loans and Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 14,055 | 14,467
Total | 14,055 | 14,467
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Leases | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Leases | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Leases | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 0 | 0
Covered loans | Total Acquired Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans |  | 0
Total | $ 0 | 0
90 days and accruing |  | 0
Nonaccrual |  | 0
Covered loans | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due |  | 0
Covered loans | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due |  | $ 0

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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: 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 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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