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Loans (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | $ 46,859 | $ 16,278
Provision for credit loss expense | (1,500) | 5,150
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (372) | (569)
Recoveries collected | 112 | 129
Total ending allowance balance | 45,099 | 36,641
Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 8,767
Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 6,886
Commercial and Industrial Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 6,445 | 4,799
Provision for credit loss expense | (22) | (137)
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (190) | (296)
Recoveries collected | 15 | 12
Total ending allowance balance | 6,248 | 8,814
Commercial and Industrial Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 2,245
Commercial and Industrial Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 2,191
Commercial Real Estate Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 29,878 | 4,692
Provision for credit loss expense | (1,334) | 5,167
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (9) | 0
Recoveries collected | 5 | 3
Total ending allowance balance | 28,540 | 17,310
Commercial Real Estate Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 3,063
Commercial Real Estate Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 4,385
Agricultural Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 6,756 | 5,315
Provision for credit loss expense | (294) | (396)
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Total ending allowance balance | 6,462 | 6,485
Agricultural Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 1,438
Agricultural Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 128
Leases |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 200 | 0
Provision for credit loss expense | 1 | 67
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Total ending allowance balance | 201 | 172
Leases | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 105
Leases | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 0
Consumer Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 490 | 434
Provision for credit loss expense | (18) | 205
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (125) | (237)
Recoveries collected | 92 | 112
Total ending allowance balance | 439 | 455
Consumer Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | (59)
Consumer Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 0
Home Equity Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 996 | 200
Provision for credit loss expense | (31) | (20)
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Total ending allowance balance | 965 | 977
Home Equity Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 762
Home Equity Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 35
Credit Cards |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 150 | 0
Provision for credit loss expense | 59 | 35
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (47) | (36)
Recoveries collected | 0 | 1
Total ending allowance balance | 162 | 124
Credit Cards | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 124
Credit Cards | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 0
Residential Mortgage Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 1,944 | 333
Provision for credit loss expense | 139 | 229
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | (1) | 0
Recoveries collected | 0 | 1
Total ending allowance balance | 2,082 | 2,304
Residential Mortgage Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 1,594
Residential Mortgage Loans | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | 147
Unallocated |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance | 0 | 505
Provision for credit loss expense | 0 | 0
Initial allowance on loans purchased with credit deterioration |  | 0
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Total ending allowance balance | $ 0 | 0
Unallocated | Impact of ASC 326 Adoption | Non-PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | (505)
Unallocated | Impact of ASC 326 Adoption | PCD Loans |  |
Allowance for Credit Losses [Roll Forward] |  |
Beginning balance |  | $ 0

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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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