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Bank segment - Allowance for loan commitments (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 USD ($)
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | $ 1,741
Provision | 500
Ending balance | 3,800
Home equity line of credit |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | 392
Provision | 0
Ending balance | 300
Commercial construction |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | 931
Provision | 515
Ending balance | 3,191
Commercial loans |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | 418
Provision | (15)
Ending balance | 309
Impact of ASU No. 2016-13 |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | 1,559
Impact of ASU No. 2016-13 | Home equity line of credit |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | (92)
Impact of ASU No. 2016-13 | Commercial construction |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | 1,745
Impact of ASU No. 2016-13 | Commercial loans |
Allowance for loan commitments: |
Beginning balance, prior to adoption of ASU No. 2016-13 | $ (94)

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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118956080&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82919202-210446 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + 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 (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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