CAPITAL STOCK - Activity of Common Stock Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Common Stock:
Balance, beginning of period (in shares)	17,690,069
Balance, end of period (in shares)	16,177,237	17,690,069
Common Stock
Common Stock:
Balance, beginning of period (in shares)	17,531,000	18,468,000	19,041,000
Issuance of shares for compensation net of withholding (in shares)	47,000	47,000	85,000
Issuance of common stock related to equity distribution agreements (in shares)	0	0	0
Issuance of common stock related to purchase of businesses (in shares)	0	267,000	527,000
Purchase of shares held in treasury (in shares)	(1,707,000)	(1,251,000)	(1,185,000)
Balance, end of period (in shares)	15,871,000	17,531,000	18,468,000