Equity - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
---|---|---|---|---|---|---|---|
Jun. 30, 2019 |
Mar. 31, 2019 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Oct. 31, 2016 |
|
Equity, Class of Treasury Stock [Line Items] | |||||||
Purchase of treasury stock | $ 709 | $ 1,485 | $ 17,164 | $ 3,876 | |||
Treasury Stock | |||||||
Equity, Class of Treasury Stock [Line Items] | |||||||
Purchase of treasury stock (in shares) | 52,600 | 714,865 | 113,433 | 833,510 | |||
Purchase of treasury stock | $ 709 | $ 1,485 | $ 17,164 | $ 3,876 | $ 2,200 | ||
Class B Shares | |||||||
Equity, Class of Treasury Stock [Line Items] | |||||||
Number of shares authorized under share repurchase program (in shares) | 4,000,000 | ||||||
Purchase of treasury stock (in shares) | 100,000 | ||||||
Remaining number of shares authorized to be repurchased (in shares) | 900,000 | 900,000 |