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Stockholders' Equity - Narrative (Details) - USD ($)		3 Months Ended	9 Months Ended
	Oct. 22, 2021	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Jul. 16, 2021	Jan. 24, 2020	Apr. 23, 2018
Class of Stock [Line Items]
Shares withheld for tax withholding and exercise of options (in shares)			27,679	9,214
Amount of shares withheld for tax withholding and exercise of options			$ 1,100,000	$ 369,000
Shares withheld for tax withholding and exercise of options, weighted average price (in usd per share)			$ 38.86	$ 40.01
Share repurchase program, amount approved to repurchase					$ 25,000,000	$ 25,000,000	$ 25,000,000
Stock repurchased, net of commissions		$ 15,902,000	$ 35,165,000	$ 3,230,000
Common Stock
Class of Stock [Line Items]
Stock repurchased, net of commissions (in shares)		445,735	967,683	92,664
Stock repurchased, net of commissions		$ 15,902,000	$ 35,165,000	$ 3,230,000
Subsequent event
Class of Stock [Line Items]
Dividends declared per common share (in usd per share)	$ 0.24
Share repurchase program, amount approved to repurchase	$ 57,000,000
Performance-based stock awards
Class of Stock [Line Items]
Vesting period of performance-based stock awards			3 years
Performance-based stock awards | Minimum
Class of Stock [Line Items]
Vesting percentage of performance-based awards			0.00%
Performance-based stock awards | Maximum
Class of Stock [Line Items]
Vesting percentage of performance-based awards			200.00%

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