Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Jun. 30, 2021 |
Jan. 01, 2021 |
---|---|---|---|
Accounting Policies [Abstract] | |||
Lease liability | $ 46,676 | $ 49,700 | |
Operating lease right-of-use assets | $ 31,252 | $ 33,400 | |
Market value threshold to qualify as an emerging growth company | $ 700,000 |