XML 66 R29.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Stock-based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Stock-based Compensation |
Summary of restricted stock unit awards | A summary of restricted stock unit awards for the year ended December 31, 2019 is as follows (units in thousands):
|  | No. of RSUs |  | Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2018 |  |  | 782 |  | $ | 19.84
Granted |  |  | 221 |  | $ | 37.04
Vested |  |  | (274) |  | $ | 19.50
Forfeited |  |  | (39) |  | $ | 22.48
Nonvested as of December 31, 2019 |  |  | 690 |  | $ | 25.34

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

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration