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Bank segment - Allowance for loan losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | $ 54,297 | $ 53,895 | $ 52,119 | $ 53,637 |
Charge-offs | (5,624) | (4,581) | (11,815) | (9,454) |
Recoveries | 2,064 | 726 | 3,563 | 2,316 |
Provision | 7,688 | 2,763 | 14,558 | 6,304 |
Valuation allowance, balance at the end of the period | 58,425 | 52,803 | 58,425 | 52,803 |
Ending balance: individually evaluated for impairment | 6,860 |  | 6,860 |  | $ 2,222
Ending balance: collectively evaluated for impairment | 51,565 |  | 51,565 |  | 49,897
Financing Receivables: |  |  |  |  |
Total financing receivables | 5,008,145 |  | 5,008,145 |  | 4,843,634
Ending balance: individually evaluated for impairment | 51,291 |  | 51,291 |  | 39,697
Ending balance: collectively evaluated for impairment | 4,956,854 |  | 4,956,854 |  | 4,803,937
Residential 1-4 family |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 1,911 | 2,525 | 1,976 | 2,902 |
Charge-offs | (5) | 0 | (19) | (31) |
Recoveries | 8 | 14 | 617 | 68 |
Provision | 101 | 400 | (559) | 0 |
Valuation allowance, balance at the end of the period | 2,015 | 2,939 | 2,015 | 2,939 |
Ending balance: individually evaluated for impairment | 904 |  | 904 |  | 876
Ending balance: collectively evaluated for impairment | 1,111 |  | 1,111 |  | 1,100
Financing Receivables: |  |  |  |  |
Total financing receivables | 2,189,976 |  | 2,189,976 |  | 2,143,397
Ending balance: individually evaluated for impairment | 17,537 |  | 17,537 |  | 16,494
Ending balance: collectively evaluated for impairment | 2,172,439 |  | 2,172,439 |  | 2,126,903
Commercial real estate |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 14,825 | 15,959 | 14,505 | 15,796 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Provision | 986 | (661) | 1,306 | (498) |
Valuation allowance, balance at the end of the period | 15,811 | 15,298 | 15,811 | 15,298 |
Ending balance: individually evaluated for impairment | 7 |  | 7 |  | 7
Ending balance: collectively evaluated for impairment | 15,804 |  | 15,804 |  | 14,498
Financing Receivables: |  |  |  |  |
Total financing receivables | 790,174 |  | 790,174 |  | 748,398
Ending balance: individually evaluated for impairment | 890 |  | 890 |  | 915
Ending balance: collectively evaluated for impairment | 789,284 |  | 789,284 |  | 747,483
Home equity line of credit |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 6,493 | 7,982 | 6,371 | 7,522 |
Charge-offs | (19) | (144) | (19) | (144) |
Recoveries | 4 | 13 | 9 | 27 |
Provision | 403 | (517) | 520 | (71) |
Valuation allowance, balance at the end of the period | 6,881 | 7,334 | 6,881 | 7,334 |
Ending balance: individually evaluated for impairment | 465 |  | 465 |  | 701
Ending balance: collectively evaluated for impairment | 6,416 |  | 6,416 |  | 5,670
Financing Receivables: |  |  |  |  |
Total financing receivables | 1,036,985 |  | 1,036,985 |  | 978,237
Ending balance: individually evaluated for impairment | 13,376 |  | 13,376 |  | 14,800
Ending balance: collectively evaluated for impairment | 1,023,609 |  | 1,023,609 |  | 963,437
Residential land |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 425 | 674 | 479 | 896 |
Charge-offs | (4) | (9) | (4) | (17) |
Recoveries | 7 | 46 | 14 | 51 |
Provision | 109 | (69) | 48 | (288) |
Valuation allowance, balance at the end of the period | 537 | 642 | 537 | 642 |
Ending balance: individually evaluated for impairment | 0 |  | 0 |  | 6
Ending balance: collectively evaluated for impairment | 537 |  | 537 |  | 473
Financing Receivables: |  |  |  |  |
Total financing receivables | 14,696 |  | 14,696 |  | 13,138
Ending balance: individually evaluated for impairment | 2,869 |  | 2,869 |  | 2,059
Ending balance: collectively evaluated for impairment | 11,827 |  | 11,827 |  | 11,079
Commercial construction |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 2,843 | 4,361 | 2,790 | 4,671 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Provision | (797) | 255 | (744) | (55) |
Valuation allowance, balance at the end of the period | 2,046 | 4,616 | 2,046 | 4,616 |
Ending balance: individually evaluated for impairment | 0 |  | 0 |  | 0
Ending balance: collectively evaluated for impairment | 2,046 |  | 2,046 |  | 2,790
Financing Receivables: |  |  |  |  |
Total financing receivables | 68,676 |  | 68,676 |  | 92,264
Ending balance: individually evaluated for impairment | 0 |  | 0 |  | 0
Ending balance: collectively evaluated for impairment | 68,676 |  | 68,676 |  | 92,264
Residential construction |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 3 | 4 | 4 | 12 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Provision | (1) | 0 | (2) | (8) |
Valuation allowance, balance at the end of the period | 2 | 4 | 2 | 4 |
Ending balance: individually evaluated for impairment | 0 |  | 0 |  | 0
Ending balance: collectively evaluated for impairment | 2 |  | 2 |  | 4
Financing Receivables: |  |  |  |  |
Total financing receivables | 8,165 |  | 8,165 |  | 14,307
Ending balance: individually evaluated for impairment | 0 |  | 0 |  | 0
Ending balance: collectively evaluated for impairment | 8,165 |  | 8,165 |  | 14,307
Commercial loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 10,814 | 10,355 | 9,225 | 10,851 |
Charge-offs | (494) | (540) | (1,112) | (1,142) |
Recoveries | 1,281 | 280 | 1,461 | 1,450 |
Provision | 1,472 | 66 | 3,499 | (998) |
Valuation allowance, balance at the end of the period | 13,073 | 10,161 | 13,073 | 10,161 |
Ending balance: individually evaluated for impairment | 4,983 |  | 4,983 |  | 628
Ending balance: collectively evaluated for impairment | 8,090 |  | 8,090 |  | 8,597
Financing Receivables: |  |  |  |  |
Total financing receivables | 626,524 |  | 626,524 |  | 587,891
Ending balance: individually evaluated for impairment | 16,033 |  | 16,033 |  | 5,340
Ending balance: collectively evaluated for impairment | 610,491 |  | 610,491 |  | 582,551
Consumer loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 16,983 | 12,035 | 16,769 | 10,987 |
Charge-offs | (5,102) | (3,888) | (10,661) | (8,120) |
Recoveries | 764 | 373 | 1,462 | 720 |
Provision | 5,415 | 3,289 | 10,490 | 8,222 |
Valuation allowance, balance at the end of the period | 18,060 | $ 11,809 | 18,060 | $ 11,809 |
Ending balance: individually evaluated for impairment | 501 |  | 501 |  | 4
Ending balance: collectively evaluated for impairment | 17,559 |  | 17,559 |  | 16,765
Financing Receivables: |  |  |  |  |
Total financing receivables | 272,949 |  | 272,949 |  | 266,002
Ending balance: individually evaluated for impairment | 586 |  | 586 |  | 89
Ending balance: collectively evaluated for impairment | $ 272,363 |  | $ 272,363 |  | $ 265,913

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: 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=84173941&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: 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=84173941&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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