Retirement And Other Benefit Plans - Schedule of Net Periodic Pension Costs (Details) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Retirement Benefits [Abstract]
Net service cost	$ (3,357)	$ (3,357)
Interest cost	$ (1,007)	(1,007)
Expected return on plan assets		626
Administrative charges		(276)
Net periodic pension cost		$ (4,014)