ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$ 1,048,384,000
Balance at end of period	1,040,767,000	$ 1,048,384,000
Tax benefit or provision on accumulated other comprehensive loss	0	0	$ 0
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	(1,172,000)	3,309,000	4,637,000
Other comprehensive income (loss)	2,359,000	(4,481,000)	(1,328,000)
Balance at end of period	$ 1,187,000	$ (1,172,000)	$ 3,309,000