Other Real Estate Owned (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Real Estate Properties [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	$ 19,600		$ 29,400
Gains (losses) on sales of OREO	5,200	$ 1,000
Other Real Estate [Roll Forward]
Beginning balance	50,890	46,591
Additions	16,454	18,428
Sales	(24,311)	(18,645)
Write-downs/losses	(2,384)	(3,398)
Ending balance	40,649	52,789
Mortgage
Other Real Estate [Roll Forward]
Beginning balance	5,800
Ending balance	$ 3,000
2019 Acquisitions
Other Real Estate [Roll Forward]
Additions		$ 9,813