Fair Value Measurement (Schedule Of Fair Value By Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 65,845	$ 69,040
Restricted cash and time deposits at financial institutions	1,345	2,651
Principal and interest advances on residential loans	10,172	10,356
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	65,845	69,040
Loans receivable including loans held-for-sale, net	52,467	55,389
Restricted cash and time deposits at financial institutions	1,345	2,651
Notes payable	22,128	21,385
Principal and interest advances on residential loans	10,172	10,356
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	65,845	69,040
Loans receivable including loans held-for-sale, net	61,624	63,668
Restricted cash and time deposits at financial institutions	1,345	2,651
Notes payable	22,390	21,514
Principal and interest advances on residential loans	9,648	9,630
Fair Value [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	65,845	69,040
Restricted cash and time deposits at financial institutions	$ 1,345	2,651
Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents
Loans receivable including loans held-for-sale, net
Restricted cash and time deposits at financial institutions
Notes payable
Principal and interest advances on residential loans
Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans receivable including loans held-for-sale, net	$ 61,624	63,668
Notes payable	22,390	21,514
Principal and interest advances on residential loans	$ 9,648	$ 9,630