Other Real Estate Owned (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Real Estate Owned Expense [Line Items]
OREO	$ 7,962	$ 8,651
OREO expense, net of rental income and gains on sale	258	837	$ 98
OREO operating expense
Other Real Estate Owned Expense [Line Items]
OREO expense, net of rental income and gains on sale	802	420	304
Impairment on OREO
Other Real Estate Owned Expense [Line Items]
OREO expense, net of rental income and gains on sale	0	904	187
Rental income on OREO
Other Real Estate Owned Expense [Line Items]
OREO expense, net of rental income and gains on sale	(541)	(116)	(98)
Gains on sale of OREO
Other Real Estate Owned Expense [Line Items]
OREO expense, net of rental income and gains on sale	$ (3)	$ (371)	$ (295)