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Note Segment reporting (Selected Balance Sheet information) (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018
--- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |  |
Total assets |  | $ 48,680,607 | $ 47,604,577 | $ 45,756,761
Deposits |  | 40,879,838 | 39,710,039 |
PUERTO RICO |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total assets |  | 37,656,205 | 36,863,930 |
Loans |  | 18,855,650 | 18,837,742 |
Deposits |  | 32,343,773 | 31,237,529 |
UNITED STATES |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total assets |  | 10,145,457 | 9,847,944 |
Loans |  | 7,158,946 | 7,034,075 |
Deposits |  | 7,048,008 | 6,878,599 |
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total assets |  | 878,945 | 892,703 |
Loans |  | 677,097 | 687,494 |
Deposits | [1] | $ 1,488,057 | $ 1,593,911 |
[1] | Represents deposits from BPPR operations located in the US and British Virgin Islands.

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