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Stock Re-purchase Program - Additional Information (Detail) - USD ($)			1 Months Ended						3 Months Ended	9 Months Ended
	Aug. 22, 2022	Mar. 08, 2022	Sep. 30, 2022	Aug. 31, 2022	Jun. 30, 2022	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Equity Class Of Treasury Stock [Line Items]
Number of shares purchased			387,340		606			332,404
Common stock, par value per share		$ 0.10	$ 0.10						$ 0.10	$ 0.10		$ 0.10
Repurchase of common stock										$ 33,731,000	$ 4,579,000
Initial shares delivered			387,340		606			332,404
Treasury stock acquired, value			$ 7,499		$ 13			$ 6,219
Average price paid per share			$ 19.36		$ 19.99
Share Repurchase Arrangement
Equity Class Of Treasury Stock [Line Items]
Number of shares purchased									1,190,150	1,523,160
Initial shares delivered									1,190,150	1,523,160
Treasury stock acquired, value				$ 16,000
Average price paid per share				$ 19.93
Board of Directors | ASR [Member]
Equity Class Of Treasury Stock [Line Items]
Number of shares purchased	802,810
Value of Common stock	$ 20,000
Repurchase of common stock	$ 20,000
Initial shares delivered	802,810
Treasury stock acquired, value	$ 16,000
Amount reduced to additional paid in capital	$ 4,000
Common Stock
Equity Class Of Treasury Stock [Line Items]
Number of shares purchased			222,301	165,039		506	100	332,404		720,350
Initial shares delivered			222,301	165,039		506	100	332,404		720,350
Treasury stock acquired, value			$ 4,265,000	$ 3,234,000		$ 11,000	$ 2,000	$ 6,219,000		$ 13,731,000
Average price paid per share			$ 19.19	$ 19.59		$ 19.99	$ 19.99	$ 18.71		$ 19.06
Common Stock | Board of Directors
Equity Class Of Treasury Stock [Line Items]
Number of shares purchased		1,000,000
Initial shares delivered		1,000,000

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