Financing Receivables (Summary Of Financing Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 116,963	$ 144,155
Allowance for loan losses	(3,893)	(4,171)
Participations sold	(778)	(861)
Deferred loan fees, net	14	68
Loans receivable, net	112,306	139,191
Loss reserve	(2,237)	(3,402)
Notes receivable, net	12,027	15,581
Total financing receivables, net	124,333	154,772
Multi-Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	8,849	12,028
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	106,824	130,724
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,290	1,403
Notes Receivable-Secured [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, net	11,612	14,776
Notes Receivable-Unsecured [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, net	$ 2,652	$ 4,207