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STOCKHOLDERS' EQUITY - Narrative (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 19, 2024 | Jun. 16, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Expiration period |  |  |  |  | 10 years |
Unrecognized stock-based compensation, weighted average period |  |  |  |  | 3 years 2 months 12 days |
Fair value of stock awards vested |  |  | $ 579 |  | $ 4,676 |
Stock Options |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Stock-based compensation expense |  |  | 141 | $ 126 | 443 | $ 374
Unrecognized stock-based compensation expense, stock options |  |  | 1,665 |  | 1,665 |
Aggregate intrinsic value of options exercised |  |  | 0 |  | 0 |
Restricted Stock Awards, Restricted Stock Units And Performance Stock Units |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Stock-based compensation expense |  |  | 2,338 | 2,112 | $ 6,563 | 6,007
Restricted Stock | Non Employee Director |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |
Restricted Stock Unit |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Unrecognized stock-based compensation expense |  |  | 6,998 |  | $ 6,998 |
Restricted Stock Unit | Non Employee Director |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Award service period |  |  |  |  | 3 years |
Performance Stock Unit |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Unrecognized stock-based compensation expense |  |  | 6,185 |  | $ 6,185 |
Market-based Performance Stock Units |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Weighted average fair value of market-based performance (in dollars per share) |  |  |  |  | $ 105.35 |
Risk-free interest rate |  |  |  |  | 4.31% |
Expected volatility |  |  |  |  | 25.30% |
Minimum |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 1 year |
Maximum |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 5 years |
Weighted average | Restricted Stock Unit |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Unrecognized stock-based compensation, weighted average period |  |  |  |  | 2 years 1 month 6 days |
Weighted average | Performance Stock Unit |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Unrecognized stock-based compensation, weighted average period |  |  |  |  | 1 year 9 months 18 days |
Amended and Restated 1997 Employee Stock Purchase Plan |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Stock-based compensation expense |  |  | $ 145 | $ 120 | $ 428 | $ 318
Class A Common Stock |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Sale of stock, number of shares issued | 5,175 | 6,053 |  |  |  |
Public offering price (in dollars per share) | $ 100.00 |  |  |  |  |
Sale of stock, net proceeds | $ 496,569 |  |  |  |  |
Common stock, authorized shares (in shares) |  |  | 4,000 |  | 4,000 |
Class A Common Stock | Amended 2016 Plan |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Common stock, authorized shares (in shares) |  |  | 1,750 |  | 1,750 |
Class A Common Stock | 2016 Plan |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Common stock, authorized shares (in shares) |  |  | 2,250 |  | 2,250 |
Number of shares available for future grant (in shares) |  |  | 2,198 |  | 2,198 |
Class A Common Stock | 2006 Incentive Plan |  |  |  |  |  |
Limited Partners' Capital Account [Line Items] |  |  |  |  |  |
Common stock, additional authorized shares (in shares) |  |  |  |  | 2,723 |

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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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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