Operations and Summary of Significant Accounting Policies - Recently Adopted Accounting Standards (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncement, Early Adoption [Line Items]
Retained earnings	$ 906,841	$ 720,441
Operating lease right-of-use assets	45,438	45,792
Operating Lease, Liability	$ 45,860	$ 46,342