Revenue Recognition - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Deposit Related Fees and Charges [Abstract]
Debit card interchange income	$ 1,218	$ 1,118
Overdraft charges	996	1,109
ATM service charges	184	190
Demand deposit fees and charges	143	158
Savings service charges	32	36
Total	2,573	2,611
Commissions and Fees
Loans, leases and fees	348	322
Wire transfer charges	267	248
Investment services income	352	228
Merchant fees	184	216
Commissions from sales of checks	103	108
Safe deposit income	91	84
Other income	61	63
Total	1,406	1,269
Gains on sales of loans	371	246
Other Income
Gains on customer swap transactions	199	332
Other income	61	97
Total	350	478
Title insurance income	90	49
Revenue not from contracts with customers	1,023	730
TOTAL NONINTEREST INCOME	5,723	5,334
Products and services transferred at a point in time
Other Income
Revenue from contract with customer	4,681	4,585
Products and services transferred over time
Other Income
Revenue from contract with customer	$ 19	$ 19