Stockholders' Equity - Schedule of Shares Repurchased (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Nov. 06, 2019	May 06, 2019	Dec. 12, 2018
Equity [Line Items]
Aggregate purchase price	$ 9,885,000	$ 10,029,000	$ 6,587,000	$ 25,708,000	$ 14,107,000	$ 10,117,000
November Two Thousand Nineteen Share Repurchase Program
Equity [Line Items]
Shares repurchased (in shares)							1,418,087	0
Aggregate purchase price							$ 26,501,000
Shares repurchased during period (in dollars per share)							$ 18.69
November Two Thousand Nineteen Share Repurchase Program \| Maximum [Member]
Equity [Line Items]
Amount of shares authorized to repurchase									$ 40,000,000
May Two Thousand Nineteen Share Repurchase Program [Member]
Equity [Line Items]
Shares repurchased (in shares)							0	1,302,401
Aggregate purchase price							$ 35,419,000
Shares repurchased during period (in dollars per share)							$ 27.20
May Two Thousand Nineteen Share Repurchase Program [Member] \| Maximum [Member]
Equity [Line Items]
Amount of shares authorized to repurchase										$ 40,000,000
December Two Thousand Eighteen Share Repurchase Program [Member]
Equity [Line Items]
Shares repurchased (in shares)							0	468,108
Aggregate purchase price							$ 14,513,000
Shares repurchased during period (in dollars per share)							$ 31.00
December Two Thousand Eighteen Share Repurchase Program [Member] \| Maximum [Member]
Equity [Line Items]
Amount of shares authorized to repurchase											$ 20,000,000