Note Investment Securities Held-to-maturity (Investments held-to-maturity-Additional Information) (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
---|---|---|
Schedule of Held-to-maturity Securities [Line Items] | ||
Amortized Cost | $ 100,903 | $ 103,170 |
Obligations of Puerto Rico, States and political subdivisions | ||
Schedule of Held-to-maturity Securities [Line Items] | ||
Amortized Cost | 98,817 | $ 101,573 |
Obligations of Puerto Rico, States and political subdivisions | Munis Payable From Real and Personal Property Taxes | ||
Schedule of Held-to-maturity Securities [Line Items] | ||
Amortized Cost | 57,000 | |
Obligations of Puerto Rico, States and political subdivisions | Munis Not Guaranteed By Puerto Rico Central Government | ||
Schedule of Held-to-maturity Securities [Line Items] | ||
Amortized Cost | $ 42,000 |