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Note Commitments and Contingencies (Schedule of Direct Exposure to Puerto Rico Government by Maturity) (Detail) - PR Government Direct Exposure - USD ($) $ in Thousands | Jul. 02, 2018 | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | --- | ---
From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Total concentration of risk | $ 23,000 |  |
Outstanding Balance |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | $ 457,995 | $ 483,580
Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 76 |
Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 4 |
Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 5 |
Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 457,910 |
Loans Member | Outstanding Balance |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 413,165 | 434,493
Loans Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
Loans Member | Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
Loans Member | Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
Loans Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 413,165 |
Securities Investment Member | Outstanding Balance |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 44,830 | $ 49,045
Securities Investment Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 76 |
Securities Investment Member | Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 4 |
Securities Investment Member | Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 5 |
Securities Investment Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 44,745 |
Within 1 year | Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 4 |
Within 1 year | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 18,775 |
Within 1 year | Loans Member | Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
Within 1 year | Loans Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 15,265 |
Within 1 year | Securities Investment Member | Outstanding Balance | From Government Development Bank |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 4 |
Within 1 year | Securities Investment Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 3,510 |
After 1 and within 5 years | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 6 |
After 1 and within 5 years | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 214,527 |
After 1 and within 5 years | Loans Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
After 1 and within 5 years | Loans Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 198,022 |
After 1 and within 5 years | Securities Investment Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 6 |
After 1 and within 5 years | Securities Investment Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 16,505 |
After 5 to 10 years | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 43 |
After 5 to 10 years | Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 5 |
After 5 to 10 years | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 125,578 |
After 5 to 10 years | Loans Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
After 5 to 10 years | Loans Member | Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
After 5 to 10 years | Loans Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 101,693 |
After 5 to 10 years | Securities Investment Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 43 |
After 5 to 10 years | Securities Investment Member | Outstanding Balance | From Public Corporation - Puerto Rico Highways And Transportation Authority |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 5 |
After 5 to 10 years | Securities Investment Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 23,885 |
After 10 years | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 27 |
After 10 years | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 99,030 |
After 10 years | Loans Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 0 |
After 10 years | Loans Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 98,185 |
After 10 years | Securities Investment Member | Outstanding Balance | From PR Central Government |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | 27 |
After 10 years | Securities Investment Member | Outstanding Balance | From Municipalities |  |  |
Direct Exposure To The Puerto Rico Government By Maturity [Line Items] |  |  |
Outstanding concentration of risk |  | $ 845 |

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