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Bank segment - Credit risk profile - payment activity (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Credit risk profile based on payment activity for loans |  |
Total past due | $ 24,549 | $ 26,099
Current | 4,623,107 | 4,595,969
Total financing receivables | 4,647,656 | 4,622,068
Recorded Investment greater than 90 days and accruing | 0 | 0
Residential 1-4 family |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 18,378 | 19,759
Current | 2,036,642 | 2,049,906
Total financing receivables | 2,055,020 | 2,069,665
Commercial real estate |  |
Credit risk profile based on payment activity for loans |  |
Current | 703,661 | 690,561
Total financing receivables | 703,661 | 690,561
Home equity line of credit |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 2,066 | 2,079
Current | 844,401 | 844,215
Total financing receivables | 846,467 | 846,294
Residential land |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 148 | 415
Current | 18,792 | 17,814
Total financing receivables | 18,940 | 18,229
Commercial construction |  |
Credit risk profile based on payment activity for loans |  |
Current | 130,487 | 100,796
Total financing receivables | 130,487 | 100,796
Residential construction |  |
Credit risk profile based on payment activity for loans |  |
Current | 16,241 | 14,089
Total financing receivables | 16,241 | 14,089
Commercial loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 1,683 | 1,226
Current | 738,913 | 757,433
Total financing receivables | 740,596 | 758,659
Consumer loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 2,274 | 2,620
Current | 133,970 | 121,155
Total financing receivables | 136,244 | 123,775
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 8,395 | 7,371
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential 1-4 family |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 5,537 | 4,967
Financing Receivables, 30 to 59 Days Past Due [Member] | Home equity line of credit |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 1,218 | 896
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential land |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 391 | 125
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 1,249 | 1,383
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 4,286 | 4,811
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential 1-4 family |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 2,215 | 3,289
Financing Receivables, 60 to 89 Days Past Due [Member] | Home equity line of credit |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 508 | 706
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential land |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 0 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 984 | 223
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 579 | 593
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 11,868 | 13,917
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential 1-4 family |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 10,626 | 11,503
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Home equity line of credit |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 340 | 477
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential land |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 148 | 415
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | 308 | 878
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer loans |  |
Credit risk profile based on payment activity for loans |  |
Total past due | $ 446 | $ 644

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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
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- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + 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://www.xbrl.org/2003/role/presentationRef -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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