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STOCK-BASED COMPENSATION (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) Integer $ / shares shares | Dec. 31, 2021 USD ($) Integer $ / shares shares | Dec. 31, 2020 USD ($) Integer $ / shares shares | Dec. 31, 2019 $ / shares shares
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Stock-based compensation cost | $ |  | $ 10,802,000 | $ 9,847,000 | $ 8,502,000 |
Award Recipient Type Employee [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Share awards granted (in shares) | [1],[2] | 71,217 | 66,623 | 69,446 |
Restricted Stock Activity [Roll Forward] |  |  |  |  |
Unvested at beginning of year (in shares) |  | 106,056 | 113,125 | 130,884 |
Granted (in shares) | [1],[2] | 71,217 | 66,623 | 69,446 |
Forfeited (in shares) |  | 0 | 0 | (440) |
Vested (in shares) |  | (80,565) | (73,692) | (86,765) |
Unvested at end of year (in shares) |  | 96,708 | 106,056 | 113,125 | 130,884
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Total Unvested Shares (in shares) |  | 96,708 | 106,056 | 113,125 | 130,884
Award Recipient Type Employee [Member] | Restricted Stock [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Stock-based compensation cost | $ |  | $ 10,236,000 | $ 9,136,000 | $ 7,605,000 |
Stock based compensation cost capitalized as development costs | $ |  | $ 2,510,000 | $ 2,336,000 | $ 1,923,000 |
Grant date fair value of shares issued (in dollars per share) | $ / shares | [1],[2] | $ 121.52 | $ 115.30 | $ 101.19 |
Compensation is recognized over a weighted average period (in years) |  | 2 years 7 months 6 days |  |  |
Share based compensation, share based payment arrangements other than stock options, unrecognized cost associated with awards not yet vested | $ |  | $ 4,177,000 |  |  |
Shares withheld to satisfy the tax obligations (in shares) |  | 34,251 | 30,252 | 36,445 |
Fair value of shares granted | $ |  | $ 8,655,000 | $ 7,682,000 | $ 7,028,000 |
Fair value of shares vested as of the vesting date | $ |  | $ 17,124,000 | $ 10,322,000 | $ 11,754,000 |
Restricted Stock Activity [Roll Forward] |  |  |  |  |
Unvested at end of year (in shares) |  | 96,708 |  |  |
Restricted stock activity [Abstract] |  |  |  |  |
Unvested at beginning of year (in dollars per share) | $ / shares |  | $ 116.37 | $ 100.86 | $ 82.78 |
Granted (in dollars per share) | $ / shares | [1],[2] | 121.52 | 115.30 | 101.19 |
Forfeited (in dollars per share) | $ / shares |  | 0 | 0 | 112.14 |
Vested (in dollars per share) | $ / shares |  | 102.42 | 91.59 | 73.80 |
Unvested at end of year (in dollars per share) | $ / shares |  | $ 131.79 | $ 116.37 | $ 100.86 | $ 82.78
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Unvested shares in 2023 (in shares) |  | 51,937 |  |  |
Unvested shares in 2024 (in shares) |  | 27,034 |  |  |
Unvested shares in 2025 (in shares) |  | 9,951 |  |  |
Unvested shares in 2026 (in shares) |  | 5,541 |  |  |
Unvested shares in 2027 (in shares) |  | 2,245 |  |  |
Total Unvested Shares (in shares) |  | 96,708 |  |  |
Accrued dividends on unvested restricted stock | $ |  | $ 1,610,000 | $ 1,585,000 | $ 1,433,000 |
Award Recipient Type Director [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Annual Director Retainer Stock Award Amount | $ |  | $ 110,000 |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Shares available for grant (in shares) |  | 5,568 |  |  |
Stock-based compensation cost | $ |  | $ 566,000 | $ 711,000 | $ 897,000 |
Share awards granted (in shares) |  | 5,696 | 0 | 208 |
Shares issued to directors (in shares) |  |  | 4,466 | 8,182 |
Restricted Stock Activity [Roll Forward] |  |  |  |  |
Unvested at beginning of year (in shares) |  | 156 | 278 | 140 |
Granted (in shares) |  | 5,696 | 0 | 208 |
Forfeited (in shares) |  | 0 | 0 | 0 |
Vested (in shares) |  | (52) | (122) | (70) |
Unvested at end of year (in shares) |  | 5,800 | 156 | 278 | 140
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Total Unvested Shares (in shares) |  | 5,800 | 156 | 278 | 140
Award Recipient Type Director [Member] | Restricted Stock [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Grant date fair value of shares issued (in dollars per share) | $ / shares |  | $ 159.00 | $ 0 | $ 120.39 |
Fair value of shares vested as of the vesting date | $ |  | $ 8,000 | $ 21,000 | $ 9,000 |
Restricted stock activity [Abstract] |  |  |  |  |
Unvested at beginning of year (in dollars per share) | $ / shares |  | $ 120.39 | $ 112.45 | $ 88.86 |
Granted (in dollars per share) | $ / shares |  | 159.00 | 0 | 120.39 |
Forfeited (in dollars per share) | $ / shares |  | 0 | 0 | 0 |
Vested (in dollars per share) | $ / shares |  | 120.39 | 102.30 | 88.86 |
Unvested at end of year (in dollars per share) | $ / shares |  | $ 158.31 | $ 120.39 | $ 112.45 | $ 88.86
Management Incentive Plan 2004 [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Authorized shares of common stock (in shares) |  | 1,900,000 |  |  |
Equity Incentive Plan 2013 [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Authorized shares of common stock (in shares) |  | 2,000,000 |  |  |
Shares available for grant (in shares) |  | 1,422,437 | 1,477,241 | 1,527,382 |
Equity Incentive Plan 2013 [Member] | Long-term equity compensation awards | Service Condition Only Awards [Member] | Executive Officer [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Share awards granted (in shares) |  | 5,830 | 7,801 | 7,217 | 9,947
Grant date fair value of shares issued (in dollars per share) | $ / shares |  | $ 193.54 | $ 138.93 | $ 131.36 | $ 105.97
Restricted Stock Activity [Roll Forward] |  |  |  |  |
Granted (in shares) |  | 5,830 | 7,801 | 7,217 | 9,947
Restricted stock activity [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares |  | $ 193.54 | $ 138.93 | $ 131.36 | $ 105.97
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Grant date |  | Mar. 03, 2022 | Feb. 25, 2021 | Mar. 06, 2020 | Mar. 07, 2019
Vesting period |  | 4 years |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Company Performance Awards [Member] | Executive Officer [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Grant date fair value of shares issued (in dollars per share) | $ / shares |  | $ 193.54 | $ 138.93 | $ 131.36 |
Restricted stock activity [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares |  | $ 193.54 | $ 138.93 | $ 131.36 |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Grant date |  | Mar. 03, 2022 | Feb. 25, 2021 | Mar. 06, 2020 |
Performance period |  | 1/1/22 - 12/31/22 | 1/1/21 - 12/31/21 | 1/1/20 - 12/31/20 |
Range of earnable shares - low end of range |  | 0 | 0 | 0 |
Range of earnable shares - high end of range |  | 13,289 | 19,052 | 19,282 |
Shares determined |  |  | 18,798 | 18,380 |
Shares determined | [3] | N/A (1) |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Company Performance Awards [Member] | Executive Officer [Member] | End of the one-year performance period |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 34.00% |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  | 1 year |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Company Performance Awards [Member] | Executive Officer [Member] | Following two years after performance period |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 33.00% |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  | 2 years |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Individual performance awards [Member] | Executive Officer [Member] |  |  |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Grant date fair value of shares issued (in dollars per share) | $ / shares |  |  | $ 190.89 | $ 142.89 |
Restricted stock activity [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares |  |  | $ 190.89 | $ 142.89 |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Grant date |  |  | Feb. 16, 2022 | Feb. 17, 2021 |
Performance period |  | 1/1/22 - 12/31/22 | 1/1/21 - 12/31/21 | 1/1/20 - 12/31/20 |
Range of earnable shares - low end of range |  | 0 | 0 | 0 |
Range of earnable shares - high end of range |  | 3,323 | 4,756 | 4,812 |
Shares determined |  |  | 4,374 | 4,156 |
Shares determined | [4] | N/A (1) |  |  |
Grant date | [4] | N/A (1) |  |  |
Grant date |  | N/A (1) |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Individual performance awards [Member] | Executive Officer [Member] | End of the one-year performance period |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 34.00% |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Vesting period |  | 1 year |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Individual performance awards [Member] | Executive Officer [Member] | Following two years after performance period |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 33.00% |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Vesting period |  | 2 years |  |  |
Equity Incentive Plan 2013 [Member] | Annual equity compensation awards | Service Condition Only Awards [Member] | Non Executive Officers [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 20.00% |  |  |
Stock Compensation Plan disclosure [Abstract] |  |  |  |  |
Share awards granted (in shares) |  | 11,225 | 9,200 | 12,300 |
Grant date fair value of shares issued (in dollars per share) | $ / shares |  | $ 148.48 | $ 168.35 | $ 105.30 |
Restricted Stock Activity [Roll Forward] |  |  |  |  |
Granted (in shares) |  | 11,225 | 9,200 | 12,300 |
Restricted stock activity [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares |  | $ 148.48 | $ 168.35 | $ 105.30 |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Grant date |  | Jun. 20, 2022 | Jul. 07, 2021 | May 06, 2020 |
Vesting period |  | 5 years |  |  |
Equity Incentive Plan 2013 [Member] | Award Recipient Type Employee [Member] | Restricted Stock [Member] |  |  |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Range of earnable shares - low end of range |  | 0 |  |  |
Range of earnable shares - high end of range |  | 105,485 |  |  |
New Director Stock Awards to be Issued in Future Periods [Member] | Award Recipient Type Director [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
New Director Restricted Stock Award Amount to be Awarded in Future Periods | $ |  | $ 25,000 |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Number of years in total shareholder return performance period | Integer |  | 4 |  |  |
New Director Stock Awards to be Issued in Future Periods [Member] | Equity Incentive Plan 2013 [Member] | Award Recipient Type Director [Member] | Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vesting Rights (% vesting per year in future years) |  | 25.00% |  |  |
Three year period [Member] | Equity Incentive Plan 2013 [Member] | Restricted Stock [Member] | Service Condition Only Awards [Member] | Executive Officer [Member] | Rate for each of the following four years |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 25.00% |  |  |
Three year period [Member] | Equity Incentive Plan 2013 [Member] | Long-term equity compensation awards | Executive Officer [Member] |  |  |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Valuation date |  | Mar. 03, 2022 | Feb. 25, 2021 | Mar. 06, 2020 |
Risk Free Interest Rate |  | 1.64% | 0.39% | 0.62% |
Expected Volatility Rate |  | 30.01% | 30.51% | 16.72% |
Expected Volatility Rate for Peer Group Companies, Minimum |  | 26.32% | 26.87% | 14.40% |
Expected Volatility Rate for Peer Group Companies, Maximum |  | 50.10% | 54.25% | 49.23% |
Expected Dividend Rate |  | 2.27% | 2.27% | 2.28% |
Number of simulation paths | Integer |  | 1,000,000 | 1,000,000 | 1,000,000 |
Grant date fair value | $ / shares |  | $ 2,912,000 | $ 2,941,000 | $ 2,037,000 |
Vesting period |  | 3 years |  |  |
Three year period [Member] | Equity Incentive Plan 2013 [Member] | Long-term equity compensation awards | Shareholder Return Awards [Member] | Executive Officer [Member] |  |  |  |  |
Share Based Payment Arrangement [Abstract] |  |  |  |  |
Grant date |  | Mar. 03, 2022 | Feb. 25, 2021 | Mar. 06, 2020 | Mar. 07, 2019
Performance period |  | 1/1/22 - 12/31/24 | 1/1/21 - 12/31/23 | 1/1/20 - 12/31/22 | 1/1/19 - 12/31/21
Range of earnable shares - low end of range |  | 0 | 0 | 0 | 0
Range of earnable shares - high end of range |  | 27,212 | 36,400 | 25,261 | 33,442
Shares determined |  |  |  |  | 30,990
Shares determined | [5] | N/A (1) | N/A (1) | N/A (1) |
End of three-year performance period | Equity Incentive Plan 2013 [Member] | Long-term equity compensation awards | Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 75.00% |  |  |
Year following the end of the 3 year service period | Equity Incentive Plan 2013 [Member] | Long-term equity compensation awards | Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting rights percentage |  | 25.00% |  |  |
[1] | Does not include the restricted shares that may be earned if the performance goals established in 2020 and 2021 for long-term performance and in 2022 for annual and long-term performance are achieved. Depending on the actual level of achievement of the goals at the end of the open performance periods, the number of shares earned could range from zero to 105,485.
[2] | Includes shares granted in prior years for which performance conditions have been satisfied and the number of shares have been determined
[3] | The performance conditions for this award have not yet been satisfied and the number of shares have not yet been determined.
[4] | The performance conditions for this award have not yet been satisfied and the grant date and number of shares have not yet been determined
[5] | The performance conditions for this award have not yet been satisfied and the number of shares have not yet been determined.

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(iii)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + 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)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own 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 (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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