XML 42 R29.htm IDEA: XBRL DOCUMENT
v3.20.2

Net Income per Common Share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Earnings Per Share [Abstract] |
Schedule of calculation of net income per common share | The calculation of net income per common share for the three and nine months ended September 30, 2020 and 2019 (unaudited) was as follows: ​
​ |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(dollars and shares in thousands, except per share data) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Basic: |  |  |  |  |  |  |  |
Net income |  | $ | 41,346 |  |  | $ | 36,495 |  |  | $ | 93,325 |  |  | $ | 107,487 |
Average common shares outstanding |  | 32,229 |  |  | 34,233 |  |  | 32,434 |  |  | 34,418 |
Basic net income per common share |  | $ | 1.28 |  |  | $ | 1.07 |  |  | $ | 2.88 |  |  | $ | 3.12 |
​ |  | ​ |  | ​ |  | ​ |  | ​
Diluted: |  |  |  | ​ |  | ​ |  | ​
Net income |  | $ | 41,346 |  |  | $ | 36,495 |  |  | $ | 93,325 |  |  | $ | 107,487 |
Average common shares outstanding |  | 32,229 |  |  | 34,233 |  |  | 32,434 |  |  | 34,418 |
Adjustment for common share equivalents |  | 22 |  |  | 23 |  |  | 24 |  |  | 33 |
Average common shares outstanding-diluted |  | 32,251 |  |  | 34,256 |  |  | 32,458 |  |  | 34,451 |
Diluted net income per common share |  | $ | 1.28 |  |  | $ | 1.07 |  |  | $ | 2.88 |  |  | $ | 3.12 |
​ |  | ​ |  | ​ |  | ​ |  | ​
Anti-dilutive shares |  | 26 |  |  | 2 |  |  | 26 |  |  | 20 |

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 Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration