Leases (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Future minimum lease payments to be received under noncancelable leases
2017	$ 222,932
2018	166,859
2019	116,940
2020	84,493
2021	71,929
Thereafter	196,737
Total	859,890
Operating leases
2017	20,485
2018	20,849
2019	21,515
2020	21,923
2021	21,638
Thereafter	19,784
Total	$ 126,194