Real Estate Held-for-Investment and Real Estate Held-for-Sale (Real Estate Held-For-Investment)(Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012
Schedule of Long Lived Assets Held-For-Investment [Line Items]
Real estate held for investment	$ 93,032	$ 108,430	$ 107,336	$ 38,785	$ 38,781	$ 37,413
Land [Member]
Schedule of Long Lived Assets Held-For-Investment [Line Items]
Real estate held for investment	61,052		79,656
Rental properties [Member]
Schedule of Long Lived Assets Held-For-Investment [Line Items]
Real estate held for investment	31,191		26,891
Other [Member]
Schedule of Long Lived Assets Held-For-Investment [Line Items]
Real estate held for investment	$ 789		$ 789