Lease Commitments (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Operating leases:
2017	$ 698
2018	700
2019	691
2020	589
2021	554
Thereafter	1,289
Total minimum payments required	4,521	[1]
Capital leases:
2017	58
2018	45
2019	34
2020	18
2021	15
Total minimum payments required	$ 170	[1]

[1] After paying $60 to retire a capital lease during January 2017, the remaining payments under capital leases include principal of $147 and interest of $23.