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Employee Benefit Plans - Summary of Average Remaining Life of the Stock Options (Detail)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	626,451
Exercise Price Range Per Share Minimum	$ 10.20
Exercise Price Range Per Share Maximum	$ 45.65
Options Outstanding | shares	772,651
Weighted Average Exercise Price	$ 34.70
Weighted Avg. Remaining Contractual Life in Years	4 years 2 months 1 day
2012 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	5,490
Exercise Price Range Per Share Minimum	$ 10.20
Exercise Price Range Per Share Maximum	$ 13.96
Options Outstanding | shares	5,490
Weighted Average Exercise Price	$ 12.89
Weighted Avg. Remaining Contractual Life in Years	6 months 18 days
2013 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	3,765
Exercise Price Range Per Share Maximum	$ 15.35
Options Outstanding | shares	3,765
Weighted Average Exercise Price	$ 15.35
Weighted Avg. Remaining Contractual Life in Years	1 year 1 month 28 days
2014 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	4,705
Exercise Price Range Per Share Maximum	$ 21.37
Options Outstanding | shares	4,705
Weighted Average Exercise Price	$ 21.37
Weighted Avg. Remaining Contractual Life in Years	2 years 1 month 28 days
2015 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	45,675
Exercise Price Range Per Share Minimum	$ 18.33
Exercise Price Range Per Share Maximum	$ 31.58
Options Outstanding | shares	45,675
Weighted Average Exercise Price	$ 29.08
Weighted Avg. Remaining Contractual Life in Years	1 year 1 month 6 days
2016 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	56,005
Exercise Price Range Per Share Minimum	$ 22.63
Exercise Price Range Per Share Maximum	$ 32.37
Options Outstanding | shares	56,005
Weighted Average Exercise Price	$ 31.55
Weighted Avg. Remaining Contractual Life in Years	1 year 7 months 17 days
2017 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	101,325
Exercise Price Range Per Share Maximum	$ 38.88
Options Outstanding | shares	101,325
Weighted Average Exercise Price	$ 38.88
Weighted Avg. Remaining Contractual Life in Years	2 years 4 months 6 days
2018 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	162,436
Exercise Price Range Per Share Minimum	$ 36.97
Exercise Price Range Per Share Maximum	$ 45.65
Options Outstanding | shares	162,436
Weighted Average Exercise Price	$ 43.25
Weighted Avg. Remaining Contractual Life in Years	4 years 2 months 19 days
2019 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	122,250
Exercise Price Range Per Share Maximum	$ 38.93
Options Outstanding | shares	122,250
Weighted Average Exercise Price	$ 38.93
Weighted Avg. Remaining Contractual Life in Years	4 years 4 months 13 days
2020 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Exercisable at Year End | shares	124,800
Exercise Price Range Per Share Maximum	$ 21.55
Options Outstanding | shares	124,800
Weighted Average Exercise Price	$ 21.55
Weighted Avg. Remaining Contractual Life in Years	5 years 4 months 24 days
2021 [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Options Outstanding | shares	146,200
Weighted Average Exercise Price	$ 38.78
Weighted Avg. Remaining Contractual Life in Years	6 years 4 months 20 days

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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