Other Assets - Summary of Changes in Net Amount of Capitalized Implementation Costs for Software Hosting Arrangements (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Capitalized Computer Software Net [Abstract]
Balance, January 1	$ 455
Capitalized implementation fees	797	$ 455
Amortization of implementation fees	(86)
Balance, December 31	$ 1,166	$ 455

Additions made to capitalized computer software costs during the period.

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- Definition

Amount of expense for amortization of capitalized computer software costs.

+ References

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

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
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