Real Estate Held-for-Investment and Real Estate Held-for-Sale (Real Estate Held-For-Sale )(Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Long Lived Assets Held-for-sale [Line Items]
Real estate held for sale	$ 33,971	$ 45,637
Land [Member]
Long Lived Assets Held-for-sale [Line Items]
Real estate held for sale	18,268	17,860
Rental properties [Member]
Long Lived Assets Held-for-sale [Line Items]
Real estate held for sale	6,168	19,077
Residential single-family [Member]
Long Lived Assets Held-for-sale [Line Items]
Real estate held for sale	6,828	7,451
Other [Member]
Long Lived Assets Held-for-sale [Line Items]
Real estate held for sale	$ 2,707	$ 1,249