Debt (Lines-Of-Credit And Notes Payable) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total	$ 149,651	$ 100,194	[1]
Carrying Amount of Pledged Assets	216,387	162,240
Lines-Of-Credit And Notes Payable [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs	(2,111)	(1,940)
2013 Notes Payable [Member]
Debt Instrument [Line Items]
Balance	$ 39,375	$ 46,500
Interest Rate	5.50%	5.50%
Carrying Amount of Pledged Assets	$ 33,773	$ 29,403
Pacific Western Term Loan [Member]
Debt Instrument [Line Items]
Balance	$ 2,500	$ 2,715
Interest Rate	7.31%	6.72%
Carrying Amount of Pledged Assets	$ 8,568	$ 9,884
Fifth Third Bank Note Payable [Member]
Debt Instrument [Line Items]
Balance	$ 3,957	$ 4,080
Interest Rate	4.98%	4.36%
Carrying Amount of Pledged Assets	$ 7,981	$ 8,071
NBA Line Of Credit [Member]
Debt Instrument [Line Items]
Balance	$ 3,547	$ 5,089
Interest Rate	5.23%	4.75%
Carrying Amount of Pledged Assets	$ 17,853	$ 15,260
NBA Eilan Loan [Member]
Debt Instrument [Line Items]
Balance	$ 24,258
Interest Rate	5.23%
Carrying Amount of Pledged Assets	$ 34,509
Fifth Third Syndicated LOC [Member]
Debt Instrument [Line Items]
Balance	$ 55,000	$ 20,000
Interest Rate	4.88%	4.27%
Carrying Amount of Pledged Assets	$ 86,907	$ 75,662
Fifth Third Syndicated Term Loan [Member]
Debt Instrument [Line Items]
Balance	$ 23,125	$ 23,750
Interest Rate	4.84%	4.32%
Carrying Amount of Pledged Assets	$ 26,796	$ 23,960

[1] * See Note 2 for summary of adjustments.