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Commitments, Contingencies and Other Commitments, Contingencies and Other (Details 2) (Details) - USD ($)
12 Months Ended 24 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended
Jan. 03, 2017
Aug. 08, 2016
Jun. 01, 2016
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Feb. 08, 2015
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2023
Jul. 03, 2012
Feb. 08, 2012
Loss Contingencies [Line Items]                                
Compensation     $ 250,000                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 100,000 150,000         262,000 69,000 489,500              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                           7 years    
Executive B [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation                       $ 582,000        
Deferred Compensation Arrangement with Individual, Shares Issued                   15,000            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                     5 years          
Executive A [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation       $ 670 $ 650 $ 630,000                    
Executive C [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation       $ 723,000 702,000 681,000                    
Deferred Compensation Arrangement with Individual, Shares Issued 28,169                              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years                              
Executive D [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation         $ 900,000 $ 850,000 $ 800,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                         5 years      
Executive F [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation             440,000                  
Executive Vice President [Member]                                
Loss Contingencies [Line Items]                                
Officers' Compensation             $ 400,000                  
Deferred Compensation Arrangement with Individual, Shares Issued     7,217                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years                          
Common Stock [Member]                                
Loss Contingencies [Line Items]                                
Share Price $ 35.75 $ 34.42                         $ 21.13 $ 27.34