Long-Term Debt - Convertible Senior Notes Due 2022 (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Interest expense	$ 5,307	$ 6,112
Convertible Senior Notes Maturing May 2022
Debt Instrument [Line Items]
Interest rate (as a percent)	4.25%
Frequency of periodic payment	semi-annually
Maturity date	May 01, 2022
Initial conversion ratio	0.0719748
Aggregate number of shares | shares	2,519,118
Initial conversion price per share (USD per share) | $ / shares	$ 13.89
Effective interest rate (as a percent)	4.80%
Interest expense	$ 400	400
Coupon interest expense	$ 400	$ 400