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Schedule I - Condensed Statements of Cash Flows (Parent Company Only) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
NET INCOME | $ 357,517 | $ 528,064 | $ 402,461
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Class A common stock dividends | (181,880) | (195,944) | (196,598)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH | (790,614) | 861,187 | 113,268
Cash and cash equivalents, January 1 | 1,465,022 | 1,389,876 |
Cash and cash equivalents, December 31 | 1,234,773 | 1,465,022 | 1,389,876
Parent Company [Member] |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
NET INCOME | 357,517 | 528,064 | 402,461
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Equity in earnings of subsidiaries | (238,987) | (410,550) | (274,461)
Dividends received from subsidiaries | 79,500 | 69,500 | 42,400
Changes in due to/from subsidiaries | (16,663) | 9,655 | 23,941
Changes in other operating assets and liabilities | 14 | 30 | (24)
Net cash provided by operating activities | 181,381 | 196,699 | 194,317
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Class A common stock dividends | (181,880) | (195,944) | (196,598)
Net cash used in financing activities | (181,880) | (195,944) | (196,598)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH | (499) | 755 | (2,281)
Cash and cash equivalents, January 1 | 1,208 | 453 | 2,734
Cash and cash equivalents, December 31 | $ 709 | $ 1,208 | $ 453

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