Summary of Significant Accounting Policies - Comprehensive Earnings (Loss) - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
COMPREHENSIVE EARNINGS (LOSS)
Tax rate used (as a percent)	21.00%			21.00%			21.00%	21.00%
Other comprehensive income (loss), tax	$ (21,600)			$ (3,200)			$ (78,300)	$ (11,100)
Changes in the balance of each component of accumulated other comprehensive earnings (loss)
Other comprehensive earnings (loss), net of tax	$ (81,248)	$ (97,563)	$ (115,581)	$ (12,240)	$ 15,177	$ (44,747)	$ (294,392)	$ (41,810)

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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+ Details