Financial Condition accounts outstanding with PRLP 2011 Holdings, LLC (Detail) (Prlp2011 Holdings Llc Joint Venture [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
100%
Related Party Transaction [Line Items]
Total	$ 69,547	$ 86,103
100% | Loan
Related Party Transaction [Line Items]
Loans	73,827	86,167
100% | Deposits Member
Related Party Transaction [Line Items]
Deposits	4,484	64
100% | Other Assets Member
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	204	0
75.1% majority interest
Related Party Transaction [Line Items]
Total	52,231	64,663
75.1% majority interest | Loan
Related Party Transaction [Line Items]
Loans	55,444	64,711
75.1% majority interest | Deposits Member
Related Party Transaction [Line Items]
Deposits	3,367	48
75.1% majority interest | Other Assets Member
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	154	0
Popular's 24.9% (elimination interest)
Related Party Transaction [Line Items]
Total	17,316	21,440
Popular's 24.9% (elimination interest) | Loan
Related Party Transaction [Line Items]
Loans	18,383	21,456
Popular's 24.9% (elimination interest) | Deposits Member
Related Party Transaction [Line Items]
Deposits	1,117	16
Popular's 24.9% (elimination interest) | Other Assets Member
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	$ 50	$ 0