Other Real Estate Owned - Changes in Purchased and Non-Purchased OREO (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Purchased OREO
Balance at January 1, 2019	$ 6,187
Transfers of loans	969
Impairments	(599)
Dispositions	(1,299)
Balance at June 30, 2019	5,258
Non Purchased OREO
Balance at January 1, 2019	4,853
Transfers of loans	827
Impairments	(269)
Dispositions	(1,936)
Balance at June 30, 2019	3,475
Total OREO
Balance at January 1, 2019	11,040
Transfers of loans	1,796
Impairments	(868)
Dispositions	(3,235)
Balance at June 30, 2019	$ 8,733