Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Feb. 25, 2021
Class of Stock [Line Items]
Cash dividends received	$ 11,500	$ 16,900	$ 41,400	$ 52,400
Repurchase of common stock	$ 34	$ 4,258	9,108	26,844
Market value of shares repurchased under equity compensation plans			$ 2,134	$ 2,444
Employee Stock
Class of Stock [Line Items]
Company's common stock in lieu of cash to exercise options to purchase shares (in shares)	0	32,910	2,506	37,929
Other Share Based Awards
Class of Stock [Line Items]
Company's common stock in lieu of cash to exercise options to purchase shares (in shares)	976	13,833	52,437	27,840
2021 Stock Repurchase Plan
Class of Stock [Line Items]
Repurchase of common stock (in shares)					2,000,000
Stock repurchase program, percentage of common stock					6.70%
Repurchase of common stock (in shares)	0	45,132	150,000	571,881
Repurchase of common stock	$ 0	$ 2,059	$ 6,974	$ 23,809
Common Stock
Class of Stock [Line Items]
Repurchase of common stock (in shares)	997	91,875	204,964	637,650
Repurchase of common stock	$ 19	$ 1,918	$ 4,289	$ 13,304
Market value of shares repurchased under equity compensation plans	$ 30	$ 2,200	$ 2,100	$ 3,000