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Commitments and contingencies (Tables) | 6 Months Ended
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Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract] |
Commitments | Commitments at June 30, 2019 and December 31, 2018 are summarized as follows:
| June 30, 2019 |  | December 31, 2018
| (Dollars in thousands)
Commitments to extend credit | $ | 1,655,373 |  |  | $ | 1,712,032 |
Standby letters of credit | 85,052 |  |  | 69,763 |
Other letters of credit | 61,792 |  |  | 65,822 |
Commitments to fund investments in affordable housing partnerships | 34,217 |  |  | 46,507 |

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- Definition Tabular disclosure of arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions. + 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(25)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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