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Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Segment
shares
Mar. 31, 2019
USD ($)
Jan. 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
shares
Apr. 30, 2018
shares
Mar. 31, 2018
USD ($)
Jan. 01, 2018
USD ($)
Dec. 31, 2017
USD ($)
shares
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Operating segments of business | Segment 3              
Common stock, authorized shares available for issuance | shares 50,000,000     50,000,000 50,000,000     35,000,000
Common stock, shares outstanding | shares 27,767,683              
Retained Earnings                
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Cumulative effect adjustment upon adoption of new accounting principle   $ 0   $ 0   $ 0   $ 169
Accumulated Other Comprehensive Income                
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Cumulative effect adjustment upon adoption of new accounting principle   $ 0   $ 0   $ 0   $ (169)
ASU 2016-02                
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Capitalization of leases as an asset     $ 3,400          
ASU 2016-01 | Retained Earnings                
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Cumulative effect adjustment upon adoption of new accounting principle             $ 169  
ASU 2016-01 | Accumulated Other Comprehensive Income                
Summary of Significant Accounting Policies (Additional Textual) [Abstract]                
Cumulative effect adjustment upon adoption of new accounting principle             $ 169