XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.20.2

STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Summary of total shares granted, forfeited and delivered | Following is a summary of the total restricted shares granted, forfeited and delivered (vested) to participants with the related weighted average grant date fair value share prices. Of the shares that vested in the nine months ended September 30, 2020, the Company withheld 33,963 shares to satisfy the tax obligations for those participants who elected this option as permitted under the applicable equity plan. As of the vesting dates, the aggregate fair value of shares that vested during the nine months ended September 30, 2020, was $10,873,000.
| Three Months Ended |  | Nine Months Ended
Award Activity: | September 30, 2020 |  | September 30, 2020
| Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value
Unvested at beginning of period | 119,571 |  |  | $ | 100.48 |  |  | 131,024 |  |  | $ | 82.79 |
Granted (1) (2) | 208 |  |  | 120.39 |  |  | 69,654 |  |  | 101.25 |
Forfeited | — |  |  | — |  |  | (440) |  |  | 112.14 |
Vested | (70) |  |  | 88.86 |  |  | (80,529) |  |  | 72.24 |
Unvested at end of period | 119,709 |  |  | $ | 100.52 |  |  | 119,709 |  |  | $ | 100.52 |
(1) Includes shares granted in prior years for which performance conditions have been satisfied and the number of shares have been determined. (2) Does not include the restricted shares that may be earned if the performance goals established in 2018 and 2019 for long-term performance and in 2020 for annual and long-term performance are achieved. Depending on the actual level of achievement of the goals at the end of the open performance periods, the number of shares earned could range from zero to 109,884.

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 activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + 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 (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration