Annual report pursuant to Section 13 and 15(d)

Debt (Lines-Of-Credit And Notes Payable) (Details)

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Debt (Lines-Of-Credit And Notes Payable) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Unamortized debt issuance costs $ (8,088)  
Total 100,194 $ 98,382
Carrying Amount of Pledged Assets 162,240 136,156
Lines-Of-Credit And Notes Payable [Member]    
Debt Instrument [Line Items]    
Unamortized debt issuance costs (1,940) (2,177)
2013 Notes Payable [Member]    
Debt Instrument [Line Items]    
Balance $ 46,500 $ 52,500
Interest Rate 5.50% 5.50%
Carrying Amount of Pledged Assets $ 29,403 $ 29,349
Pacific Western Term Loan [Member]    
Debt Instrument [Line Items]    
Balance $ 2,715 $ 1,727
Interest Rate 6.72% 6.02%
Carrying Amount of Pledged Assets $ 9,884 $ 8,963
Fifth Third Bank Note Payable [Member]    
Debt Instrument [Line Items]    
Balance $ 4,080 $ 4,326
Interest Rate 4.36% 3.62%
Carrying Amount of Pledged Assets $ 8,071 $ 9,157
NBA Line Of Credit [Member]    
Debt Instrument [Line Items]    
Balance $ 5,089 $ 2,006
Interest Rate 4.75% 5.00%
Carrying Amount of Pledged Assets $ 15,260 $ 8,230
Fifth Third Syndicated LOC [Member]    
Debt Instrument [Line Items]    
Balance $ 20,000 $ 15,000
Interest Rate 4.27% 3.46%
Carrying Amount of Pledged Assets $ 75,662 $ 60,343
Fifth Third Syndicated Term Loan [Member]    
Debt Instrument [Line Items]    
Balance $ 23,750 $ 25,000
Interest Rate 4.32% 3.46%
Carrying Amount of Pledged Assets $ 23,960 $ 20,114