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Accounting for Stock Based Compensation - Summarizes Performance Stock Units Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	34,906	34,920	136,566
Granted, Shares	13,742	32,406	19,920
Vested, Shares	(37,272)	(32,420)	(91,566)
Forfeited, Shares			(30,000)
Outstanding at end of period, Shares	11,376	34,906	34,920
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 39.82	$ 38.31	$ 37.16
Granted, Weighted-Average Grant Date Fair Value	70.18	39.96	40.16
Vested, Weighted-Average Grant Date Fair Value	41.70	38.33	37.09
Forfeited, Weighted-Average Grant Date Fair Value			38.05
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 70.33	$ 39.82	$ 38.31
Performance Based Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	315,834	190,080	129,577
Granted, Shares	101,136	155,934	112,755
Performance Adjustment, Shares	(2)
Vested, Shares	(61,656)
Forfeited, Shares	(35,976)	(30,180)	(52,252)
Outstanding at end of period, Shares	319,336	315,834	190,080
Performance Based Units | Relative TSR Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	157,918	95,041	64,785
Granted, Shares	20,626	77,967	56,380
Performance Adjustment, Shares	30,828
Vested, Shares	(61,656)
Forfeited, Shares	(16,148)	(15,090)	(26,124)
Outstanding at end of period, Shares	131,568	157,918	95,041
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 56.06	$ 61.77	$ 62.45
Granted, Weighted-Average Grant Date Fair Value	118.08	49.25	57.39
Performance Adjustment, Weighted-Average Grant Date Fair Value	69.18
Vested, Weighted-Average Grant Date Fair Value	69.18
Forfeited, Weighted-Average Grant Date Fair Value	61.10	56.84	53.98
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 62.09	$ 56.06	$ 61.77
Performance Based Units | ROIC Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	157,916	95,039	64,792
Granted, Shares	40,580	77,967	56,375
Performance Adjustment, Shares	(30,830)
Forfeited, Shares	(17,374)	(15,090)	(26,128)
Outstanding at end of period, Shares	150,292	157,916	95,039
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 38.58	$ 42.78	$ 42.53
Granted, Weighted-Average Grant Date Fair Value	78.98	33.72	41.51
Performance Adjustment, Weighted-Average Grant Date Fair Value	44.92
Forfeited, Weighted-Average Grant Date Fair Value	44.32	39.96	39.41
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 47.52	$ 38.58	$ 42.78
Performance Based Units | Adjusted EBITDA Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares	39,930
Forfeited, Shares	(2,454)
Outstanding at end of period, Shares	37,476
Granted, Weighted-Average Grant Date Fair Value	$ 79.49
Forfeited, Weighted-Average Grant Date Fair Value	79.49
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 79.49

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options performance adjustment.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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