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Bank segment - Credit risk profile - payment activity (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | $ 24,635 | $ 19,751
Financing receivable, current | 5,155,743 | 5,100,913
Ending balance | 5,180,378 | 5,120,664
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 53,548 |
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 11,390 | 8,864
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 4,781 | 3,858
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 8,464 | 7,029
Residential 1-4 family |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 5,687 | 4,686
Financing receivable, current | 2,156,207 | 2,173,449
Ending balance | 2,161,894 | 2,178,135
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 0 |
Residential 1-4 family | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 2,781 | 2,588
Revolving loans converted to term loans | 0 |
Residential 1-4 family | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 1,630 | 290
Revolving loans converted to term loans | 0 |
Residential 1-4 family | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 1,276 | 1,808
Revolving loans converted to term loans | 0 |
Commercial real estate |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Financing receivable, current | 852,120 | 824,830
Ending balance | 852,120 | 824,830
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 0 |
Commercial real estate | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Commercial real estate | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Commercial real estate | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Home equity line of credit |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 3,253 | 2,930
Financing receivable, current | 1,092,424 | 1,089,195
Ending balance | 1,095,677 | 1,092,125
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 31,546 |
Home equity line of credit | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 1,225 | 813
Revolving loans converted to term loans | 592 |
Home equity line of credit | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 224 | 0
Revolving loans converted to term loans | 198 |
Home equity line of credit | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 1,804 | 2,117
Revolving loans converted to term loans | 429 |
Residential land |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 25
Financing receivable, current | 13,720 | 14,679
Ending balance | 13,720 | 14,704
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 0 |
Residential land | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Revolving loans converted to term loans | 0 |
Residential land | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Revolving loans converted to term loans | 0 |
Residential land | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 25
Revolving loans converted to term loans | 0 |
Commercial construction |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 2,289 | 0
Financing receivable, current | 77,088 | 70,605
Ending balance | 79,377 | 70,605
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 0 |
Commercial construction | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Commercial construction | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Commercial construction | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 2,289 | 0
Residential construction |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Financing receivable, current | 9,190 | 11,670
Ending balance | 9,190 | 11,670
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 0 |
Residential construction | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Revolving loans converted to term loans | 0 |
Residential construction | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Revolving loans converted to term loans | 0 |
Residential construction | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 0 | 0
Revolving loans converted to term loans | 0 |
Commercial loans |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 4,332 | 1,560
Financing receivable, current | 718,315 | 669,114
Ending balance | 722,647 | 670,674
Recorded Investment greater than 90 days and accruing | 0 | 0
Revolving loans converted to term loans | 18,778 |
Commercial loans | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 3,712 | 1,077
Commercial loans | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 311 | 311
Commercial loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 309 | 172
Consumer loans |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 9,074 | 10,550
Financing receivable, current | 236,679 | 247,371
Ending balance | 245,753 | 257,921
Recorded Investment greater than 90 days and accruing | 0 | 0
Consumer loans | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 3,672 | 4,386
Consumer loans | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | 2,616 | 3,257
Consumer loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Financing receivable, past due | $ 2,786 | $ 2,907

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