Loans Acquired - Impact of the Adjustments on the Company's Financial Results for the Following Reporting Periods (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Receivables [Abstract]
Impact on net interest income and pre-tax income	$ 629	$ 23	$ 1,105	$ 2,596
Impact, net of taxes	$ 464	$ 14	$ 814	$ 1,578