Long-Term Debt - Senior Notes Carrying Amount (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Details for the Senior Notes
Total	$ 542,478	$ 545,239
Senior Notes \| 6.125% Senior Notes
Details for the Senior Notes
Principal balance	550,000	550,000
Less: debt issue cost	2,083	2,404
Less: debt discount	2,049	2,357
Total	$ 545,868	$ 545,239

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant