XML 27 R13.htm IDEA: XBRL DOCUMENT
v3.20.4

Earnings Per Share | 12 Months Ended
--- | ---
Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Share | 6. EARNINGS PER SHARE The following table sets forth the computation of basic and diluted EPS for the years ended December 31, 2020, 2019 and 2018 (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 | ​ | 2019 | ​ | 2018
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 102,859 | ​ | $ | 77,916 | ​ | $ | 55,789
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares of common stock outstanding | ​ | ​ | 11,771 | ​ | ​ | 11,771 | ​ | ​ | 11,947
Effect of dilutive common stock equivalents | ​ | ​ | 79 | ​ | ​ | 346 | ​ | ​ | 132
Weighted average shares of common stock outstanding | ​ | ​ | 11,850 | ​ | ​ | 12,117 | ​ | ​ | 12,079
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - basic | ​ | $ | 8.74 | ​ | $ | 6.62 | ​ | $ | 4.67
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - diluted | ​ | $ | 8.68 | ​ | $ | 6.43 | ​ | $ | 4.62
​ The calculation of diluted earnings per share excluded 358, 984 and 298 antidilutive options outstanding for the years ended December 31, 2020, 2019 and 2018, respectively. The calculation of diluted earnings per share for the years ended December 31, 2020, 2019 and 2018 also excluded 2,658, 718 and 258 antidilutive restricted stock awards, respectively.

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

X
- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration