Real Estate Held-for-Investment and Real Estate Held-for-Sale (Activity in Real Estate Held-For-Sale and Held-For-Investment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Real Estate Held-for-Investment and Real Estate Held-for-Sale [Abstract]
Real Estate Held-for-Sale, Beginning of period, net	$ 46,338	$ 41,733
Real Estate Held-for-Sale, Acquired through foreclosure	$ 826	2,156
Real Estate Held-For-Sale, Transfers		$ (1,027)
Real Estate Held-for-Sale, Improvements	$ 169
Real Estate Held-for-Sale, Accumulated depreciation
Real Estate Held-for-Sale, Sales	$ (876)	$ (2,952)
Real Estate Held-for-Sale, Impairments, net	(292)	(147)
Real Estate Held-for-Sale, End of period, net	46,165	39,763
Real Estate Held-for-Investment, Beginning of period, net	$ 31,290	$ 76,552
Real Estate Held-for-Investment, Acquired through foreclosure
Real Estate Held-for-Investment, Transfers		$ 1,027
Real Estate Held-for-Investment, Improvements	$ 1,558	7,024
Real Estate Held-for-Investment, Accumulated depreciation	$ (10)	$ (81)
Real Estate Held-for-Investment, Sales
Real Estate Held-for-Investment, Impairments, Net		$ (225)
Real Estate Held-for-Investment, End of period, net	$ 32,838	$ 84,297