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Notes and Accounts Receivable, net Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jan. 01, 2016
Feb. 28, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Notes receivable, net $ 24,521 $ 24,775    
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     19.00%  
Accounts and premiums receivable        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Valuation Allowances and Reserves, Balance $ 360 225    
Calamar Enterprises, Inc.        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Percentage of voting interest       75.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       25.00%
Specialty Insurance        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Percentage of voting interest 100.00%      
Specialty Insurance | Notes Receivable        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Notes receivable, net $ 20,682 20,913    
Valuation Allowances and Reserves, Balance 1,514 1,444    
Specialty Insurance | Consumer Financing, Premium Financing Program | Notes Receivable        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Notes receivable, net 20,575 20,615    
Specialty Insurance | Financing Receivables, Equal to Greater than 90 Days Past Due | Notes Receivable        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 1,817 2,188    
Senior Living Segment | Notes Receivable        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Notes receivable, net $ 3,862 $ 3,862