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Bank segment - Credit risk profile - nonaccrual loans (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | $ 35,954 |
Without a Related ACL | 6,026 |
Total | 41,980 | $ 29,736
Total troubled debt restructuring loans not included above | 22,506 | 26,413
Real estate | Residential 1-4 family |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 8,271 |
Without a Related ACL | 1,919 |
Total | 10,190 | 11,395
Total troubled debt restructuring loans not included above | 8,224 | 9,869
Real estate | Commercial real estate |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 15,965 |
Without a Related ACL | 0 |
Total | 15,965 | 195
Total troubled debt restructuring loans not included above | 997 | 853
Real estate | Home equity line of credit |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 6,246 |
Without a Related ACL | 1,555 |
Total | 7,801 | 6,638
Total troubled debt restructuring loans not included above | 8,809 | 10,376
Real estate | Residential land |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 410 |
Without a Related ACL | 0 |
Total | 410 | 448
Total troubled debt restructuring loans not included above | 1,891 | 2,644
Real estate | Commercial construction |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 0 |
Without a Related ACL | 0 |
Total | 0 | 0
Total troubled debt restructuring loans not included above | 0 | 0
Real estate | Residential construction |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 0 |
Without a Related ACL | 0 |
Total | 0 | 0
Total troubled debt restructuring loans not included above | 0 | 0
Commercial |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 758 |
Without a Related ACL | 2,552 |
Total | 3,310 | 5,947
Total troubled debt restructuring loans not included above | 2,531 | 2,614
Consumer |  |
Credit risk profile based on nonaccrual loans |  |
With a Related ACL | 4,304 |
Without a Related ACL | 0 |
Total | 4,304 | 5,113
Total troubled debt restructuring loans not included above | $ 54 | $ 57

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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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- Definition Amount of financing receivable on nonaccrual status with no allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 + Details
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