XML 83 R46.htm IDEA: XBRL DOCUMENT
v3.20.1

Stock Option Plan (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Weighted Average Assumption for Fair Value of Option Grant Estimated Using Black-Scholes Option Pricing Model | The fair value of each option grant was estimated on the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions presented below for 2019 and 2016. There were no stock options granted in 2018 and 2017.
|  | 2019 |  |  | 2016 |
Expected volatility |  |  | 35.0 | % |  |  | 35.0 | %
Expected term |  | 6.0 years |  |  | 6.0 years |
Expected dividends |  |  | 1.90 | % |  | None |
Risk free rate |  |  | 2.66 | % |  |  | 1.93 | %
Grant date fair value |  | $ | 6.32 |  |  | $ | 6.76 |
Summary of Stock Option Plan | A summary of the status of the Company's stock option plan as of December 31, 2019 and changes during the year then ended is presented below:
|  |  |  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  |  | Weighted- |  |  | Average |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Contractual |  | Intrinsic |
(dollars in thousands, except for share amounts) |  | Shares |  |  | Price |  |  | Term |  | Value |
Outstanding at beginning of year |  |  | 1,215,097 |  |  | $ | 12.83 |  |  |  |  |  |  |
Granted |  |  | 76,500 |  |  |  | 18.38 |  |  |  |  |  |  |
Exercised |  |  | (200,629 | ) |  |  | 13.43 |  |  |  |  |  |  |
Outstanding at end of year |  |  | 1,090,968 |  |  | $ | 13.11 |  |  | 4.07 years |  | $ | 8,790 |
Options exercisable |  |  | 1,014,468 |  |  | $ | 12.72 |  |  | 3.69 years |  | $ | 8,577 |

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 number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration