Financial Condition accounts outstanding with PRLP 2011 Holdings, LLC (Detail) (Prlp2011 Holdings Llc Joint Venture [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
100% | Loan
Related Party Transaction [Line Items]
Loans	$ 91,290	$ 86,167
100% | Deposits Member
Related Party Transaction [Line Items]
Deposits	8,573	64
100% | Other Assets Member
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	265	0
75.1% majority interest | Loan
Related Party Transaction [Line Items]
Loans	68,559	64,711
75.1% majority interest | Deposits Member
Related Party Transaction [Line Items]
Deposits	6,438	48
75.1% majority interest | Other Assets Member
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	$ 199	$ 0