Debt (Lines-Of-Credit And Notes Payable) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total	$ 83,764	$ 100,194	[1]
Carrying Amount of Pledged Assets	175,132	162,240
Lines-Of-Credit And Notes Payable [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs	(1,882)	(1,940)
2013 Notes Payable [Member]
Debt Instrument [Line Items]
Balance	$ 45,000	$ 46,500
Interest Rate	5.50%	5.50%
Carrying Amount of Pledged Assets	$ 31,504	$ 29,403
Pacific Western Term Loan [Member]
Debt Instrument [Line Items]
Balance	$ 2,706	$ 2,715
Interest Rate	7.03%	6.72%
Carrying Amount of Pledged Assets	$ 10,203	$ 9,884
Fifth Third Bank Note Payable [Member]
Debt Instrument [Line Items]
Balance	$ 4,018	$ 4,080
Interest Rate	4.66%	4.36%
Carrying Amount of Pledged Assets	$ 8,026	$ 8,071
NBA Line Of Credit [Member]
Debt Instrument [Line Items]
Balance	$ 484	$ 5,089
Interest Rate	4.91%	4.75%
Carrying Amount of Pledged Assets	$ 18,993	$ 15,260
Fifth Third Syndicated LOC [Member]
Debt Instrument [Line Items]
Balance	$ 10,000	$ 20,000
Interest Rate	4.54%	4.27%
Carrying Amount of Pledged Assets	$ 81,071	$ 75,662
Fifth Third Syndicated Term Loan [Member]
Debt Instrument [Line Items]
Balance	$ 23,438	$ 23,750
Interest Rate	4.75%	4.32%
Carrying Amount of Pledged Assets	$ 25,335	$ 23,960

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