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Investment in Unconsolidated Subsidiaries (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 01, 2016
Mar. 31, 2017
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Investment in unconsolidated subsidiaries   $ 18,680 $ 18,275
Equity in income of unconsolidated subsidiaries   1,255  
Distribution of income from unconsolidated subsidiaries   $ 852  
WJH [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership interest 50.00%    
Investment in unconsolidated subsidiaries $ 15,000    
Potential indemnification claims amount $ 1,000    
Indemnification claims period 18 months    
Incurred acquisition-related costs $ 100    
Formation [Member]      
Schedule of Equity Method Investments [Line Items]      
Investment in unconsolidated subsidiaries $ 3,000