QUARTERLY FINANCIAL DATA (UNAUDITED AND RESTATED) - Consolidated Balance Sheets - Additional (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
QUARTERLY FINANCIAL DATA (UNAUDITED AND RESTATED)
Allowance for doubtful accounts receivable (in dollars)	$ 8,811	$ 7,925	$ 8,314	$ 8,747	$ 8,743	$ 7,937	$ 7,307	$ 7,954
Debt securities, available-for-sale, amortized cost	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000	$ 40,000