XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.19.1

Earnings per Share Earnings per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |
Schedule of Weighted Average Number of Shares [Table Text Block] | The following table summarizes the dilutive effect of RSUs and options to purchase common stock for the three months ended March 31, 2019 and 2018:
|  | Three months ended March 31,
|  | 2019 |  | 2018
Weighted average common shares—basic |  | 45,578,815 |  |  | 45,779,966 |
Dilutive effect of restricted stock units |  | 333,020 |  |  | 358,583 |
Dilutive effect of stock options |  | 80,347 |  |  | 90,788 |
Weighted average common shares—diluted |  | 45,992,182 |  |  | 46,229,337 |
In February 2019, the Company announced its Board of Directors had authorized the Company to increase the purchase of its common stock up to $75 million in the aggregate. The previous authorization, approved in November 2015, authorized up to $50 million in share repurchases. In the three months ended March 31, 2019, the Company purchased 24,900 of its outstanding common stock for approximately $0.7 million. The Company did not purchase any shares of its outstanding common stock in the three months ended March 31, 2018.

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EarningsPerShareDilutedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration