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Bank segment - Allowance for credit losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Allowance for credit losses: |  |
Beginning balance | $ 71,130 | $ 101,201
Charge-offs | (1,558) | (3,681)
Recoveries | 1,402 | 1,308
Provision for credit losses | (3,763) | (7,035)
Ending balance | 67,211 | 91,793
Real estate | Residential 1-4 family |  |
Allowance for credit losses: |  |
Beginning balance | 6,545 | 4,600
Charge-offs | 0 | 0
Recoveries | 8 | 3
Provision for credit losses | 1,321 | 658
Ending balance | 7,874 | 5,261
Real estate | Commercial real estate |  |
Allowance for credit losses: |  |
Beginning balance | 24,696 | 35,607
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | (4,520) | (1,262)
Ending balance | 20,176 | 34,345
Real estate | Home equity line of credit |  |
Allowance for credit losses: |  |
Beginning balance | 5,657 | 6,813
Charge-offs | 0 | (50)
Recoveries | 11 | 15
Provision for credit losses | (18) | (877)
Ending balance | 5,650 | 5,901
Real estate | Residential land |  |
Allowance for credit losses: |  |
Beginning balance | 646 | 609
Charge-offs | 0 | 0
Recoveries | 5 | 10
Provision for credit losses | 46 | (46)
Ending balance | 697 | 573
Real estate | Commercial construction |  |
Allowance for credit losses: |  |
Beginning balance | 2,186 | 4,149
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | 154 | (2,696)
Ending balance | 2,340 | 1,453
Real estate | Residential construction |  |
Allowance for credit losses: |  |
Beginning balance | 18 | 11
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for credit losses | 13 | 5
Ending balance | 31 | 16
Commercial |  |
Allowance for credit losses: |  |
Beginning balance | 15,798 | 25,462
Charge-offs | (76) | (771)
Recoveries | 353 | 273
Provision for credit losses | (1,761) | (460)
Ending balance | 14,314 | 24,504
Consumer |  |
Allowance for credit losses: |  |
Beginning balance | 15,584 | 23,950
Charge-offs | (1,482) | (2,860)
Recoveries | 1,025 | 1,007
Provision for credit losses | 1,002 | (2,357)
Ending balance | $ 16,129 | $ 19,740

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of writeoff of financing receivable, charged against 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 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: 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=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
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