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Recently Adopted Accounting Pronouncements - Schedule of Activity in the Allowance for Credit Losses (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Accounting Changes And Error Corrections [Abstract]
Balance at December 31, 2019	$ 70
Cumulative effect adjustment upon adoption of standard	163
Current period provision for expected credit losses	346
Balance at March 31, 2020	$ 579

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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