Commitments and Contingent Liabilities - Operating And Capital Leases (Detail) $ in Thousands	Dec. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2018	$ 11,668
2019	10,646
2020	7,639
2021	5,309
2022	4,625
Thereafter	5,105
Total	44,992
2018	2,232
2019	1,696
2020	181
2021	0
2022	0
Thereafter	0
Total	$ 4,109

Amount of minimum lease payments for capital leases.

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-SubTopic 30
-Section 50
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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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