Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

Earnings Per Share (Details)		3 Months Ended		6 Months Ended
Earnings Per Share (Details)	Jun. 07, 2018	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 06, 2018 USD ($)
Net Income (Numerator)
Basic EPS - common stock \| $		$ 38,022,000	$ 52,088,000	$ 77,143,000	$ 112,826,000
Diluted EPS - common stock \| $		$ 38,022,000	$ 52,088,000	$ 77,143,000	$ 112,826,000
Weighted-Average Shares (Denominator)
Basic EPS - common stock (in shares)		119,953,174	120,219,919	119,753,321	120,175,894
Effect of dilutive securities:
Stock options, restricted stock, and ESPP shares (in shares)		176,185	479,719	426,122	722,711
Diluted EPS - common stock (shares)		120,129,359	120,699,638	120,179,443	120,898,605
Earnings Per Share
Basic EPS - common stock (in dollars per share) \| $ / shares		$ 0.32	$ 0.43	$ 0.64	$ 0.94
Diluted EPS - common stock (in dollars per share) \| $ / shares		$ 0.32	$ 0.43	$ 0.64	$ 0.93
Convertible Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Aggregate principal amount issued \| $		$ 217,500,000		$ 217,500,000		$ 217,500,000
Initial conversion rate	0.0450760			0.0450760
Stock options and restricted share awards
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive shares of common stock		2,626,620	1,523,255	1,290,587	681,787