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Bank segment - Credit risk profile - nonaccrual loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | $ 18,816 |  | $ 37,764
Without a Related ACL | 18,452 |  | 7,210
Total | 37,268 |  | 44,974
Total troubled debt restructuring loans not included above | 23,728 | $ 24,917 |
Real estate | Residential 1-4 family |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 12,583 |  | 16,045
Without a Related ACL | 3,909 |  | 3,703
Total | 16,492 |  | 19,748
Total troubled debt restructuring loans not included above | 7,296 | 6,949 |
Real estate | Commercial real estate |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 0 |  | 14,104
Without a Related ACL | 12,530 |  | 1,221
Total | 12,530 |  | 15,325
Total troubled debt restructuring loans not included above | 2,888 | 3,055 |
Real estate | Home equity line of credit |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 3,371 |  | 4,227
Without a Related ACL | 1,054 |  | 1,294
Total | 4,425 |  | 5,521
Total troubled debt restructuring loans not included above | 5,437 | 6,021 |
Real estate | Residential land |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 0 |  | 97
Without a Related ACL | 397 |  | 300
Total | 397 |  | 397
Total troubled debt restructuring loans not included above | 976 | 980 |
Real estate | Commercial construction |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 0 |  | 0
Without a Related ACL | 0 |  | 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 |  | 0
Without a Related ACL | 0 |  | 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 | 1,307 |  | 1,446
Without a Related ACL | 562 |  | 692
Total | 1,869 |  | 2,138
Total troubled debt restructuring loans not included above | 7,079 | 7,860 |
Consumer |  |  |
Credit risk profile based on nonaccrual loans |  |  |
With a Related ACL | 1,555 |  | 1,845
Without a Related ACL | 0 |  | 0
Total | 1,555 |  | $ 1,845
Total troubled debt restructuring loans not included above | $ 52 | $ 52 |

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