Contractual interest rate for funds borrowed, under the debt agreement.

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Senior Secured Notes (Details) - USD ($) $ in Thousands		12 Months Ended
Senior Secured Notes (Details) - USD ($) $ in Thousands	Apr. 13, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 05, 2015
Debt Instrument [Line Items]
Principal amount repaid		$ 0	$ 250,000	$ 0
Senior Notes \| 7.75% Senior Secured Notes Due October 2020
Debt Instrument [Line Items]
Senior secured notes, principal amount					$ 250,000
Senior secured notes, interest rate					7.75%
Principal amount repaid	$ 250,000
Interest receivable	$ 4,800