XML 14 R34.htm IDEA: XBRL DOCUMENT
v3.20.1

Share-based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Share-based Compensation |
Schedule of status of and changes in the Company's stock option awards | A summary of the status of and changes in the Company's stock option awards for the three months ended March 31, 2020 follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Weighted-
​ | ​ | ​ | ​ | Average | ​ | Average
​ | ​ | ​ | ​ | Exercise | ​ | Remaining Contractual
​ |  | Shares |  | Price |  | Term
Outstanding at beginning of period |  | 53,185 |  | $ | 22.00 | ​ | ​
Exercised |  | (5,280) | ​ |  | 23.26 | ​ | ​
Forfeited |  | — | ​ | ​ | — | ​ | ​
Expired |  | (88) | ​ |  | 17.05 | ​ | ​
Outstanding at end of period |  | 47,817 |  | $ | 21.87 |  | 5.58
Exercisable at end of period |  | 47,817 |  | $ | 21.87 |  | 5.58
Summary of the changes in company deferred stock units | A summary of the changes in the Company’s stock unit awards for the three months ended March 31, 2020, is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Director | ​ | Weighted-
​ | ​ | Restricted | ​ | Average | ​ | Deferred | ​ | Average
​ | ​ | Stock | ​ | Grant Date | ​ | Stock | ​ | Grant Date
​ |  | Units |  | Fair Value |  | Units |  | Fair Value
Non-vested at beginning of period |  | 778,317 |  | $ | 27.27 |  | 21,261 |  | $ | 23.18
Granted |  | 3,808 | ​ |  | 26.26 |  | — | ​ |  | —
Dividend equivalents earned |  | 6,612 | ​ |  | 25.50 |  | 780 | ​ |  | 25.50
Vested |  | (8,249) | ​ |  | 29.50 |  | — | ​ |  | —
Forfeited |  | (9,559) | ​ |  | 28.96 |  | (597) | ​ |  | 25.50
Non-vested at end of period |  | 770,929 |  | $ | 27.21 |  | 21,444 |  | $ | 23.20
Outstanding at end of period |  | 770,929 |  | $ | 27.21 |  | 91,278 |  | $ | 23.40

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 shares. + 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_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, 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 (d) -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 (e) -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 (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration