Accounting for Stock Based Compensation - Summarizes PSU Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	13,600	11,376	34,906
Granted, Shares	17,923	13,600	13,742
Vested, Shares	(11,900)	(11,376)	(37,272)
Forfeited, Shares	(1,700)
Outstanding at end of period, Shares	17,923	13,600	11,376
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 73.54	$ 70.33	$ 39.82
Granted, Weighted-Average Grant Date Fair Value	56.96	73.54	70.18
Vested, Weighted-Average Grant Date Fair Value	73.54	70.33	41.7
Forfeited, Weighted-Average Grant Date Fair Value	73.54
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 56.96	$ 73.54	$ 70.33
Performance Based Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	320,449	319,336	315,834
Granted, Shares	153,121	106,604	101,136
Performance Adjustment, Shares	(59,928)	42,746	(2)
Vested, Shares	(59,928)	(133,477)	(61,656)
Forfeited, Shares	(28,737)	(14,760)	(35,976)
Outstanding at end of period, Shares	324,977	320,449	319,336
Performance Based Units | Relative TSR Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	102,801	131,568	157,918
Granted, Shares	30,622	21,324	20,626
Performance Adjustment, Shares		45,004	30,828
Vested, Shares	(59,928)	(90,371)	(61,656)
Forfeited, Shares	(8,494)	(4,724)	(16,148)
Outstanding at end of period, Shares	65,001	102,801	131,568
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 65.2	$ 62.09	$ 56.06
Granted, Weighted-Average Grant Date Fair Value	89.87	103.31	118.08
Performance Adjustment, Weighted-Average Grant Date Fair Value		57.46	69.18
Vested, Weighted-Average Grant Date Fair Value	49.25	57.46	69.18
Forfeited, Weighted-Average Grant Date Fair Value	75.67	68.67	61.1
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 101.15	$ 65.2	$ 62.09
Performance Based Units | ROIC Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	141,075	150,292	157,916
Granted, Shares	30,622	42,640	40,580
Performance Adjustment, Shares	(59,928)	(2,258)	(30,830)
Vested, Shares		(43,106)
Forfeited, Shares	(11,618)	(6,493)	(17,374)
Outstanding at end of period, Shares	100,151	141,075	150,292
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 55.18	$ 47.52	$ 38.58
Granted, Weighted-Average Grant Date Fair Value	59.91	68.63	78.98
Performance Adjustment, Weighted-Average Grant Date Fair Value	33.9	41.61	44.92
Vested, Weighted-Average Grant Date Fair Value		41.61
Forfeited, Weighted-Average Grant Date Fair Value	55.94	56.87	44.32
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 69.55	$ 55.18	$ 47.52
Performance Based Units | Adjusted EBITDA Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding at beginning of period, Shares	76,573	37,476
Granted, Shares	61,255	42,640	39,930
Forfeited, Shares	(7,836)	(3,543)	(2,454)
Outstanding at end of period, Shares	129,992	76,573	37,476
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value	$ 73.66	$ 79.49
Granted, Weighted-Average Grant Date Fair Value	59.91	68.63	$ 79.49
Forfeited, Weighted-Average Grant Date Fair Value	70.95	75.1	79.49
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 67.34	$ 73.66	$ 79.49
Performance Based Units | RRG Target Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares	30,622
Forfeited, Shares	(789)
Outstanding at end of period, Shares	29,833
Granted, Weighted-Average Grant Date Fair Value	$ 59.91
Forfeited, Weighted-Average Grant Date Fair Value	59.91
Outstanding at end of period, Weighted-Average Grant Date Fair Value	$ 59.91