Investments In Unconsolidated Entities (Summary Schedule Of Joint Ventures) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Equity Method Investments and Joint Ventures [Abstract]
Investment in Joint Ventures with Limited recourse debt to Company	$ 31,551	$ 37,063
Investments in joint ventures with debt non-recourse to Company	3,471	3,567
Investments in other active joint ventures	19,568	22,327
Total investments in unconsolidated entities	54,590	62,957
Joint Venture Debt Total	42,948	59,544
Company proportionate share of joint venture debt:
Joint venture debt with limited recourse guaranties	21,059	28,157
Joint venture debt non-recourse to Company	217	700
Company's total proportionate share of joint venture debt	$ 21,276	$ 28,857