Schedule III - Changes in Accumulated Depreciation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real Estate And Accumulated Depreciation Disclosure [Abstract]
Balance at beginning of period	$ 414,331	$ 407,349	$ 292,786
Depreciation	130,851	115,497	109,307
Depreciation on disposed property	(40,952)	(101,967)	(1,438)
Other	421	(6,548)	6,694
Balance at end of period	$ 504,651	$ 414,331	$ 407,349