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Bank segment - Allowance for credit losses (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | $ 53,355 | $ 52,119 |
Charge-offs | (6,631) | (6,191) |
Recoveries | 1,018 | 1,499 |
Provision | 9,901 | 6,870 |
Valuation allowance, balance at the end of the period | 77,084 | 54,297 |
Ending balance: individually evaluated for impairment |  |  | $ 2,691
Ending balance: collectively evaluated for impairment |  |  | 50,664
Financing Receivables: |  |  |
Ending balance | 5,180,378 |  | 5,120,664
Ending balance: individually evaluated for impairment |  |  | 40,737
Ending balance: collectively evaluated for impairment |  |  | 5,079,927
Residential 1-4 family |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 2,380 | 1,976 |
Charge-offs | 0 | (14) |
Recoveries | 53 | 609 |
Provision | (107) | (660) |
Valuation allowance, balance at the end of the period | 4,476 | 1,911 |
Ending balance: individually evaluated for impairment |  |  | 898
Ending balance: collectively evaluated for impairment |  |  | 1,482
Financing Receivables: |  |  |
Ending balance |  |  | 2,178,135
Ending balance: individually evaluated for impairment |  |  | 15,600
Ending balance: collectively evaluated for impairment |  |  | 2,162,535
Commercial real estate |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 15,053 | 14,505 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | 1,326 | 320 |
Valuation allowance, balance at the end of the period | 16,587 | 14,825 |
Ending balance: individually evaluated for impairment |  |  | 2
Ending balance: collectively evaluated for impairment |  |  | 15,051
Financing Receivables: |  |  |
Ending balance |  |  | 824,830
Ending balance: individually evaluated for impairment |  |  | 1,048
Ending balance: collectively evaluated for impairment |  |  | 823,782
Home equity line of credit |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 6,922 | 6,371 |
Charge-offs | 0 | 0 |
Recoveries | 6 | 5 |
Provision | (162) | 117 |
Valuation allowance, balance at the end of the period | 6,225 | 6,493 |
Ending balance: individually evaluated for impairment |  |  | 322
Ending balance: collectively evaluated for impairment |  |  | 6,600
Financing Receivables: |  |  |
Ending balance |  |  | 1,092,125
Ending balance: individually evaluated for impairment |  |  | 12,073
Ending balance: collectively evaluated for impairment |  |  | 1,080,052
Residential land |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 449 | 479 |
Charge-offs | (8) | 0 |
Recoveries | 9 | 7 |
Provision | (34) | (61) |
Valuation allowance, balance at the end of the period | 352 | 425 |
Ending balance: individually evaluated for impairment |  |  | 0
Ending balance: collectively evaluated for impairment |  |  | 449
Financing Receivables: |  |  |
Ending balance |  |  | 14,704
Ending balance: individually evaluated for impairment |  |  | 3,091
Ending balance: collectively evaluated for impairment |  |  | 11,613
Commercial construction |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 2,097 | 2,790 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | 1,060 | 53 |
Valuation allowance, balance at the end of the period | 3,446 | 2,843 |
Ending balance: individually evaluated for impairment |  |  | 0
Ending balance: collectively evaluated for impairment |  |  | 2,097
Financing Receivables: |  |  |
Ending balance |  |  | 70,605
Ending balance: individually evaluated for impairment |  |  | 0
Ending balance: collectively evaluated for impairment |  |  | 70,605
Residential construction |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 3 | 4 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | (3) | (1) |
Valuation allowance, balance at the end of the period | 14 | 3 |
Ending balance: individually evaluated for impairment |  |  | 0
Ending balance: collectively evaluated for impairment |  |  | 3
Financing Receivables: |  |  |
Ending balance |  |  | 11,670
Ending balance: individually evaluated for impairment |  |  | 0
Ending balance: collectively evaluated for impairment |  |  | 11,670
Commercial loans |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 10,245 | 9,225 |
Charge-offs | (369) | (618) |
Recoveries | 186 | 180 |
Provision | 1,993 | 2,027 |
Valuation allowance, balance at the end of the period | 12,977 | 10,814 |
Ending balance: individually evaluated for impairment |  |  | 1,015
Ending balance: collectively evaluated for impairment |  |  | 9,230
Financing Receivables: |  |  |
Ending balance |  |  | 670,674
Ending balance: individually evaluated for impairment |  |  | 8,418
Ending balance: collectively evaluated for impairment |  |  | 662,256
Consumer loans |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 16,206 | 16,769 |
Charge-offs | (6,254) | (5,559) |
Recoveries | 764 | 698 |
Provision | 5,828 | 5,075 |
Valuation allowance, balance at the end of the period | 33,007 | $ 16,983 |
Ending balance: individually evaluated for impairment |  |  | 454
Ending balance: collectively evaluated for impairment |  |  | 15,752
Financing Receivables: |  |  |
Ending balance |  |  | 257,921
Ending balance: individually evaluated for impairment |  |  | 507
Ending balance: collectively evaluated for impairment |  |  | $ 257,414
Impact of ASU No. 2016-13 |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 19,441 |  |
Impact of ASU No. 2016-13 | Residential 1-4 family |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 2,150 |  |
Impact of ASU No. 2016-13 | Commercial real estate |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 208 |  |
Impact of ASU No. 2016-13 | Home equity line of credit |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | (541) |  |
Impact of ASU No. 2016-13 | Residential land |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | (64) |  |
Impact of ASU No. 2016-13 | Commercial construction |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 289 |  |
Impact of ASU No. 2016-13 | Residential construction |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 14 |  |
Impact of ASU No. 2016-13 | Commercial loans |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | 922 |  |
Impact of ASU No. 2016-13 | Consumer loans |  |  |
Allowance for credit losses: |  |  |
Valuation allowance, balance at the beginning of the period | $ 16,463 |  |

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