Leases (Additional Information) (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 44,900	$ 40,110		$ 41,754
Operating lease liabilities	46,100	$ 41,144		$ 42,815
Deferred gains associated with sales leaseback transactions	$ 5,900
Weighted-average remaining lease term		9 years 4 months 24 days
Weighted-average discount rate		3.48%
Total Lease Cost		$ 2,737	$ 2,810