SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net income	$ 368,599	$ 356,565	$ 266,756
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	91,326	86,558	79,331
Provision for deferred income taxes	1,595	3,421	849
Changes in operating assets and liabilities:
Other long-term assets and liabilities	13,815	(7,138)	19,219
Net cash provided by operating activities	$ 465,930	401,805	435,785
As reported
OPERATING ACTIVITIES
Net income		350,687	260,824
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		94,205	88,329
Provision for deferred income taxes		1,652	(1,215)
Changes in operating assets and liabilities:
Other long-term assets and liabilities		(7,138)	18,217
Net cash provided by operating activities		401,805	435,785
Adjustment
OPERATING ACTIVITIES
Net income		5,878	5,932
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		(7,647)	(8,998)
Provision for deferred income taxes		$ 1,769	2,064
Changes in operating assets and liabilities:
Other long-term assets and liabilities			$ 1,002