Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Time Based Restricted Stock Grant Activity (Details)

v3.19.1
Stock-Based Compensation - Summary of Time Based Restricted Stock Grant Activity (Details) - Time-Based Restricted Stock Grants
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Granted, Stock | shares 58,130
Vested, Stock | shares (10,902)
Unvested Ending, Stock | shares 47,228
Granted, Weighted-Average Grant-Date Fair Value | $ / shares $ 4.42
Vested, Weighted-Average Grant-Date Fair Value | $ / shares 4.42
Unvested Ending, Weighted-Average Grant-Date Fair Value | $ / shares $ 4.42