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Leases - Summary of Maturities of Lease Liabilities (Detail) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Operating Lease Liabilities [Abstract]
2020	$ 3,563,000
2021	2,660,000
2022	2,089,000
2023	1,192,000
2024	1,080,000
Thereafter	1,011,000
Total lease payments	11,595,000
Less:
Imputed interest	(1,800,000)
Total operating lease liabilities	$ 9,795,000	$ 0

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- Definition

Operating lease liabilities.

+ References

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

+ References

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-Publisher FASB
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-SubTopic 20
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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.

+ References

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

+ References

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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Present value of lessee's discounted obligation for lease payments from operating lease.

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