XML 35 R22.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Share-Based Compensation | 3 Months Ended
--- | ---
Mar. 31, 2018
Share-based Compensation [Abstract] |
Share-Based Compensation |
16. | Share-Based Compensation
Our share-based compensation plans are described in Note 17 of our annual report on Form 10-K for the year ended December 31, 2017. During the three months ended March 31, 2018 and 2017, we recognized total Share-Based Compensation Expense of $2,748 and $2,573, respectively. The total excess tax benefit recognized for share-based compensation arrangements during the three months ended March 31, 2018 and 2017 was $27 and $402, respectively. During the first three months of 2018, we issued 16,377 restricted shares. The weighted average grant date fair value of each share awarded was $67.70. Restricted share awards generally have a three year vesting period from the effective date of the grant. The total fair value of shares vested during the three months ended March 31, 2018 and 2017 was $794 and $625, respectively.

X
- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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