Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Restricted Stock (Details)

v3.19.2
Shareholders' Equity - Restricted Stock (Details) - Restricted shares
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
installment
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares | shares 2,785,000
Fair Value | $ $ 9,204
January 10, 2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares | shares 2,295,000
Fair Value | $ $ 7,436
Number of vesting installments | installment 4
January 25, 2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares | shares 30,000
Fair Value | $ $ 86
Number of vesting installments | installment 4
April 22, 2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares | shares 250,000
Fair Value | $ $ 945
Number of vesting installments | installment 2
June 13, 2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares | shares 210,000
Fair Value | $ $ 737
Number of vesting installments | installment 2