Earnings Per Share - Summary of Share Repurchase Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020
Earnings Per Share [Abstract]
Number of shares repurchased	115,920	279,866
Aggregate purchase price	$ 5,648	$ 13,500
Average price per repurchased share	$ 48.72	$ 48.24

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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