Transactions with Related Parties - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transactions [Abstract]
Aggregate indebtedness of related parties	$ 8,900,000	$ 10,600,000	$ 16,700,000
Related party loans funded	11,100,000
Related party loans repaid	$ 12,800,000
Due date for related party loans	90 days
Delinquent related party loans outstanding	$ 0	$ 0	$ 0

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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-Publisher FASB
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-Topic 942
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.9-03.10(3))
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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SX 210.7-03.3)
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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Outstanding related party loans that were past due 90 days or more, on non-accrual, or considered to be a TDR.

+ References

No definition available.

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Related party loan past due period.

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