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Loans and Leases - Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | $ 4,708,325 | $ 4,672,909
Less: unearned income and deferred costs and fees | (3,479) | (3,789)
Total loans and leases, net of unearned income and deferred costs and fees | 4,704,846 | 4,669,120
Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,060,945 | 1,091,651
Commercial and industrial | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 93,896 | 108,608
Commercial and industrial | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 967,049 | 983,043
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 2,259,386 | 2,200,727
Commercial real estate | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 135,725 | 129,959
Commercial real estate | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,922,020 | 1,866,802
Commercial real estate | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 201,641 | 203,966
Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,311,443 | 1,302,941
Residential real estate | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 237,528 | 241,256
Residential real estate | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 1,073,915 | 1,061,685
Consumer and other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 62,733 | 63,123
Consumer and other | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 50,812 | 50,979
Consumer and other | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 11,921 | 12,144
Finance Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 13,818 | 14,467
Originated |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 4,400,226 | 4,349,180
Total | 4,411,560 | 4,362,332
90 days and accruing | 0 | 44
Nonaccrual | 18,429 | 16,253
Less: unearned income and deferred costs and fees | (3,479) | (3,789)
Less: unearned income and deferred costs and fees | (3,479) | (3,789)
Less: unearned income and deferred costs and fees, 90 days and accruing | 0 | 0
Less: unearned income and deferred costs and fees, nonaccrual | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 4,408,081 | 4,358,543
Total originated loans and leases, net of unearned income and deferred costs and fees, Current | 4,396,747 | 4,345,391
Originated | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 6,513 | 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 | 6,513 | 6,791
Originated | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 4,821 | 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 | 4,821 | 6,361
Originated | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,008,961 | 1,039,395
Total | 1,010,416 | 1,040,675
90 days and accruing | 0 | 0
Nonaccrual | 4,668 | 2,852
Originated | Commercial and industrial | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 736 | 431
Originated | Commercial and industrial | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 719 | 849
Originated | Commercial and industrial | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 93,896 | 108,608
Total | 93,896 | 108,608
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Originated | Commercial and industrial | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Commercial and industrial | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Commercial and industrial | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 915,065 | 930,787
Total | 916,520 | 932,067
90 days and accruing | 0 | 0
Nonaccrual | 4,668 | 2,852
Originated | Commercial and industrial | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 736 | 431
Originated | Commercial and industrial | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 719 | 849
Originated | Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 2,058,578 | 1,989,272
Total | 2,062,343 | 1,992,980
90 days and accruing | 0 | 0
Nonaccrual | 5,192 | 5,402
Originated | Commercial real estate | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,804 | 1,583
Originated | Commercial real estate | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 961 | 2,125
Originated | Commercial real estate | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 135,321 | 129,712
Total | 135,484 | 129,712
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Originated | Commercial real estate | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 163 | 0
Originated | Commercial real estate | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Commercial real estate | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,723,072 | 1,657,074
Total | 1,726,674 | 1,660,782
90 days and accruing | 0 | 0
Nonaccrual | 5,192 | 5,402
Originated | Commercial real estate | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,641 | 1,583
Originated | Commercial real estate | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 961 | 2,125
Originated | Commercial real estate | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 200,185 | 202,486
Total | 200,185 | 202,486
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Originated | Commercial real estate | Construction | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Commercial real estate | Construction | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,257,559 | 1,244,514
Total | 1,263,155 | 1,251,852
90 days and accruing | 0 | 0
Nonaccrual | 8,329 | 7,645
Originated | Residential real estate | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,522 | 4,198
Originated | Residential real estate | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 3,074 | 3,140
Originated | Residential real estate | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 210,343 | 211,319
Total | 211,444 | 212,812
90 days and accruing | 0 | 0
Nonaccrual | 1,504 | 1,537
Originated | Residential real estate | Home equity | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 670 | 1,045
Originated | Residential real estate | Home equity | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 431 | 448
Originated | Residential real estate | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,047,216 | 1,033,195
Total | 1,051,711 | 1,039,040
90 days and accruing | 0 | 0
Nonaccrual | 6,825 | 6,108
Originated | Residential real estate | Mortgages | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,852 | 3,153
Originated | Residential real estate | Mortgages | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,643 | 2,692
Originated | Consumer and other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 61,310 | 61,532
Total | 61,828 | 62,358
90 days and accruing | 0 | 44
Nonaccrual | 240 | 354
Originated | Consumer and other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 451 | 579
Originated | Consumer and other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 67 | 247
Originated | Consumer and other | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 49,737 | 50,042
Total | 49,907 | 50,214
90 days and accruing | 0 | 38
Nonaccrual | 76 | 76
Originated | Consumer and other | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 155 | 130
Originated | Consumer and other | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 15 | 42
Originated | Consumer and other | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 11,573 | 11,490
Total | 11,921 | 12,144
90 days and accruing | 0 | 6
Nonaccrual | 164 | 278
Originated | Consumer and other | Indirect | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 296 | 449
Originated | Consumer and other | Indirect | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 52 | 205
Originated | Finance Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 13,818 | 14,467
Total | 13,818 | 14,467
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Originated | Finance Leases | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Originated | Finance Leases | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 293,293 | 307,027
Total | 296,765 | 310,577
90 days and accruing | 1,077 | 1,146
Nonaccrual | 3,352 | 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 | 296,765 | 310,577
Acquired | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 823 | 1,256
Acquired | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 2,649 | 2,294
Acquired | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 50,457 | 50,903
Total | 50,529 | 50,976
90 days and accruing | 60 | 61
Nonaccrual | 13 | 0
Acquired | Commercial and industrial | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 12 | 12
Acquired | Commercial and industrial | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 60 | 61
Acquired | Commercial and industrial | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 0 | 0
Acquired | Commercial and industrial | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 50,457 | 50,903
Total | 50,529 | 50,976
90 days and accruing | 60 | 61
Nonaccrual | 13 | 0
Acquired | Commercial and industrial | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 12 | 12
Acquired | Commercial and industrial | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 60 | 61
Acquired | Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 195,432 | 206,853
Total | 197,043 | 207,747
90 days and accruing | 502 | 515
Nonaccrual | 528 | 546
Acquired | Commercial real estate | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 67 | 167
Acquired | Commercial real estate | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,544 | 727
Acquired | Commercial real estate | Agriculture |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 241 | 247
Total | 241 | 247
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Acquired | Commercial real estate | Agriculture | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Commercial real estate | Agriculture | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Commercial real estate | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 193,735 | 205,126
Total | 195,346 | 206,020
90 days and accruing | 502 | 515
Nonaccrual | 528 | 546
Acquired | Commercial real estate | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 67 | 167
Acquired | Commercial real estate | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,544 | 727
Acquired | Commercial real estate | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 1,456 | 1,480
Total | 1,456 | 1,480
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Acquired | Commercial real estate | Construction | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Commercial real estate | Construction | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 46,499 | 48,510
Total | 48,288 | 51,089
90 days and accruing | 515 | 570
Nonaccrual | 2,811 | 2,718
Acquired | Residential real estate | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 744 | 1,073
Acquired | Residential real estate | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 1,045 | 1,506
Acquired | Residential real estate | Home equity |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 25,479 | 27,279
Total | 26,084 | 28,444
90 days and accruing | 62 | 130
Nonaccrual | 1,693 | 1,604
Acquired | Residential real estate | Home equity | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 210 | 601
Acquired | Residential real estate | Home equity | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 395 | 564
Acquired | Residential real estate | Mortgages |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 21,020 | 21,231
Total | 22,204 | 22,645
90 days and accruing | 453 | 440
Nonaccrual | 1,118 | 1,114
Acquired | Residential real estate | Mortgages | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 534 | 472
Acquired | Residential real estate | Mortgages | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 650 | 942
Acquired | Consumer and other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 905 | 761
Total | 905 | 765
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Acquired | Consumer and other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 4
Acquired | Consumer and other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Consumer and other | Commercial and industrial other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans | 905 | 761
Total | 905 | 765
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Acquired | Consumer and other | Commercial and industrial other | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 4
Acquired | Consumer and other | Commercial and industrial other | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 0 | 0
Acquired | Consumer and other | Indirect |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 0 | 0
Acquired | Covered loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current Loans |  | 0
Total | 0 | 0
90 days and accruing |  | 0
Nonaccrual |  | 0
Acquired | Covered loans | 30-89 days |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due |  | 0
Acquired | Covered loans | 90 days or more |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due |  | 0
Acquired | Finance Leases |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | $ 0 | $ 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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 3: http://www.xbrl.org/2003/role/presentationRef -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 4: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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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=82891408&loc=d3e4428-111522 + Details
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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://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=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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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