Other Real Estate Owned - Changes in Purchased and Non-Purchased OREO (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Purchased OREO
Balance at January 1, 2021	$ 3,927
Transfers of loans	1,047
Impairments	(220)
Dispositions	(2,171)
Other	(130)
Balance at September 30, 2021	2,453
Non Purchased OREO
Balance at January 1, 2021	2,045
Transfers of loans	2,124
Impairments	(70)
Dispositions	(1,836)
Other	(11)
Balance at September 30, 2021	2,252
Total OREO
Balance at January 1, 2021	5,972
Transfers of loans	3,171
Impairments	(290)
Dispositions	(4,007)
Other	(141)
Balance at September 30, 2021	$ 4,705