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Employee Benefit Plans - Summary of Estimated Benefit Payments for Defined Benefit Plans for Next 10 Years (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2019	$ 1,046
2020	1,252
2021	1,210
2022	1,312
2023	1,129
2024-2028	7,313
Estimated benefit payments for next 10 years, total	$ 13,262

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- Definition

Defined benefit plan expected future benefit payments for next ten years.

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- Definition

Defined benefit plan expected future benefit payments year six to ten.

+ References

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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