STOCK-BASED COMPENSATION (Details) - USD ($)		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense		$ 4,232,000	$ 3,507,000
Shares withheld for tax obligations, vesting of restricted stock		24,745	33,381
Award Recipient Type Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense		$ 206,000	$ 171,000
Restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares vested as of the vesting date		$ 9,982,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		75,292		89,173
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in dollars per share)		$ 175.87		$ 160.76
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	[1],[2]	45,970
Grant date fair value of shares issued (in dollars per share)	[1],[2]	$ 189.65
Forfeited (in shares)		0
Forfeited (per share)		$ 0
Vested (in shares)		(59,851)
Vested (per share)		$ 163.94
Fair value of shares granted, as of the grant dates		$ 8,718,000
Restricted stock [Member] | Award Recipient Type Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense		4,585,000	3,976,000
Stock-based compensation costs capitalized as development costs		$ 559,000	$ 640,000

[1] Does not include restricted shares subject to open performance periods. For the long-term equity compensation awards established in 2023 and 2024 and the long-term and annual equity compensation awards established in 2025, the number of shares to be earned depends on the satisfaction of performance-based or market-based conditions, which may range from zero to 155,875.

[2] Includes restricted shares granted during the year without performance or market conditions. Also includes restricted shares granted in previous years, for long-term and annual equity compensation awards for the Company's executive officers, for which performance-based or market-based conditions have been satisfied and the resulting number of shares have been determined during the year.