Future Operating Lease Payment Obligations and Future Minimum Lease Payments under Capital Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating leases
2014	$ 1,244
2015	1,114
2016	926
2017	647
2018	294
2019 - 2023	15
Total Payments	4,240
Capital lease
2014	390
2015	174
2016	40
2017
2018
2019 - 2023
Total Payments	$ 604

Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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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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