XML 12 R35.htm IDEA: XBRL DOCUMENT
v3.20.1

Share Capital (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Equity [Abstract] |
Changes in Number of Shares of Class A Stock Outstanding | The following table reflects changes in the number of shares of Class A Stock outstanding for the periods indicated:
| For the Three Months Ended March 31,
| 2020 |  | 2019
Class A Stock outstanding, beginning of period | 12,698,703 |  |  | 12,941,809 |
Issued pursuant to share-based compensation plans | 321,541 |  |  | 61,091 |
Repurchased and canceled pursuant to the stock buy-back | (409,504 | ) |  | (79,383 | )
Class A Stock outstanding, end of period | 12,610,740 |  |  | 12,923,517 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration