Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details)

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Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Unrecognized tax benefits that would affect the effective tax rate $ 9,200,000 $ 12,900,000 $ 13,600,000
Balance at beginning of period 13,855,000 14,493,000 12,478,000
Increases related to prior year tax positions 234,000 355,000 1,903,000
Decreases related to prior year tax positions (1,646,000) (1,447,000) (162,000)
Increases related to current year tax positions 1,355,000 883,000 906,000
Expiration of statute of limitations (3,621,000) (429,000) (632,000)
Balance at end of period 10,177,000 13,855,000 14,493,000
Change in unrecognized tax benefit reasonably possible, low range 0    
Change in unrecognized tax benefit reasonably possible, high range 2,400,000    
Interest expense and penalties recognized (reversed) (800,000) (300,000) $ (800,000)
Income Tax Examination, Penalties and Interest Accrued $ 1,800,000 $ 2,600,000