Loans Receivable, net - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Concentrations of investments in hospitality industry	95.00%
State loan receivable concentration	10.00%	10.00%
Provision for loan losses	0.83%	1.25%
Five year aggregate for provision for loan losses, net	$ 5,300,000
Provision for loan losses basis points	0.53%
Loan loss reserves as percentage loans receivable	1.62%
Recorded investment in non accrual loans	1,336,000	5,768,000
Government guaranteed portion of loan related secured borrowing on non accrual status		634,000
Loans receivable past due 90 days or more which were accruing interest	0	0
Loans receivable past due	90 days	90 days
Voluntary modification of loans recorded investment	3,400,000
Involuntary modification due to bankruptcy loans recorded investment	2,700,000
Modified loans no longer complying with their terms	5,100,000
Texas [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans collateralized by properties	13.00%	15.00%
SBA 7(a) loans, subject to secured borrowings [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
SBA 7(a) loans, subject to secured borrowings	37,403,000	37,909,000
SBA 7(a) Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Balance of SBA 7(a) loans, net of retained loans discount	2,700,000	2,100,000
Recorded investment in non accrual loans		855,000
Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment in commercial mortgage non accrual loans		$ 4,913,000