Schedule IV (Consolidated) - Mortgage Loans on Real Estate - Carrying Amount of Mortgage Loans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of the year	$ 1,158	$ 1,752	$ 2,617
Additions during the year - new mortgage loans	5,854	0	681
Collections of principal	1,363	594	1,546
Foreclosures	295	0	0
Balance at the end of the year	$ 5,354	$ 1,158	$ 1,752