Stock-Based Compensation - Summary of Stock Option Awards (Detail) - Employee Stock Option - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2020	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding
Beginning balance (shares)	891,343	891,343
Granted (shares)		0
Exercised (shares)		(78,506)
Forfeited (shares)		(8,257)
Ending balance (shares)		804,580
Options exercisable at end of period (shares)		804,580
Weighted Average Exercise Price Per Share
Beginning balance (in dollars per share)	$ 15.03	$ 15.03
Granted (in dollars per share)		0
Exercised (in dollars per share)		11.94
Forfeited (in dollars per share)		14.37
Ending balance (in dollars per share)		15.34
Exercisable at end of period (in dollars per share)		$ 15.34
Weighted average contractual life	3 years 4 months 24 days	3 years
Weighted average options exercisable		3 years
Aggregate intrinsic value, Beginning balance	$ 994	$ 994
Aggregate intrinsic value, Ending balance		247
Aggregate intrinsic value, Exercisable at end of period		$ 247

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.