XML 26 R16.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Net Income Per Common Share | 6 Months Ended
--- | ---
Jun. 30, 2018
Earnings Per Share [Abstract] |
Net Income Per Common Share |
(8) | NET INCOME PER COMMON SHARE
Basic and diluted net income per common share based on weighted-average shares outstanding are calculated as follows:
|  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |
|  | (Dollars in thousands, except per share data) |
Three Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 30,586 |  |  |  | 32,716,350 |  |  | $ | 0.93 |
Dilutive effect of stock options |  |  | — |  |  |  | 742,207 |  |  |  |  |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 30,586 |  |  |  | 33,458,557 |  |  | $ | 0.91 |
Three Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 23,182 |  |  |  | 31,807,610 |  |  | $ | 0.73 |
Dilutive effect of stock options |  |  | — |  |  |  | 715,766 |  |  |  |  |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 23,182 |  |  |  | 32,523,376 |  |  | $ | 0.71 |
Six Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 60,206 |  |  |  | 32,645,693 |  |  | $ | 1.84 |
Dilutive effect of stock options |  |  | — |  |  |  | 744,269 |  |  |  |  |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 60,206 |  |  |  | 33,389,962 |  |  | $ | 1.80 |
Six Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 45,232 |  |  |  | 31,768,828 |  |  | $ | 1.43 |
Dilutive effect of stock options |  |  | — |  |  |  | 731,162 |  |  |  |  |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 45,232 |  |  |  | 32,499,990 |  |  | $ | 1.39 |
The following table shows the number of options that were excluded from the computation of diluted net income per common share for each period because the options’ exercise prices were greater than the average market price of the common shares:
|  | Shares |
Three Months Ended June 30, 2018 |  |  | 85,802 |
Three Months Ended June 30, 2017 |  |  | 39,010 |
Six Months Ended June 30, 2018 |  |  | 117,696 |
Six Months Ended June 30, 2017 |  |  | 19,614 |

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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration