Note Income taxes (Differences between income tax expense (benefit) applicable to income before income taxes and amount computed by applying the statutory tax rate in Puerto Rico) (Parenthetical) (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
TARP Funds
Reconciliation of Statutory Federal Tax Rate [Line Items]
Non-deductible expenses	$ 161,500