Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Restricted Stock (Details)

v3.7.0.1
Shareholders' Equity - Restricted Stock (Details) - Restricted shares
$ in Thousands
6 Months Ended
Jun. 07, 2017
USD ($)
shares
May 24, 2017
USD ($)
shares
Apr. 03, 2017
USD ($)
shares
Jan. 20, 2017
USD ($)
shares
Jan. 13, 2017
USD ($)
shares
Jun. 30, 2017
USD ($)
installment
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares | shares 30,000 240,000 10,000 301,000 1,190,000 1,771,000
Fair Value | $ $ 67,800 $ 535,200 $ 25,000 $ 674 $ 2,844 $ 631,518
Number of vesting installments | installment           4