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Minimum Future Rentals to be Received on Noncancelable Operating Leases (Detail)
$ in Thousands
Jun. 30, 2017
USD ($)
Leases [Abstract]  
2017 (remaining) $ 15,511
2018 28,240
2019 24,446
2020 19,749
2021 15,566
Later years 28,649
Operating Leases, Future Minimum Payments Receivable, Total $ 132,161