Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Feb. 25, 2021
Class of Stock [Line Items]
Cash dividends received	$ 11,600	$ 27,700	$ 29,800	$ 35,500
Repurchase of common stock	$ 1,479	$ 22,530	9,074	22,586
Market value of shares repurchased under equity compensation plans			$ 2,100	$ 829
Employee Stock
Class of Stock [Line Items]
Company's common stock in lieu of cash to exercise options to purchase shares (in shares)	2,506	3,687	2,506	5,019
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)	39,080	14,007	51,461	14,007
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	526,749	150,000	526,749
Repurchase of common stock	$ 0	$ 21,750	$ 6,974	$ 21,750
Common Stock
Class of Stock [Line Items]
Repurchase of common stock (in shares)	41,586	544,443	203,967	545,775
Repurchase of common stock	$ 871	$ 11,362	$ 4,270	$ 11,386
Market value of shares repurchased under equity compensation plans	$ 1,500	$ 800	$ 2,100	$ 800