Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2009	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2009
Income Tax Disclosure [Abstract]
Net deferred tax (liabilities) assets		$ (133)	$ (169)
Valuation allowance		5,357	5,244
Received refund from the IRS	40,418
Amount of refund claim up to which IRS examination team is required by statute to review all refunds				2,000
Adjustment to Taxable Income				13,700
Taxes owed				4,806
Accrued interest		500
Preferred stock distributions taxable as capital gain			$ 8,238
Long-term Capital Gains as a Percentage of Distribution			35.42%
Return of Capital as a Percentage of Distribution			64.58%