Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets:
Available for sale debt securities, fair value	$ 244,250	$ 198,998
Mortgage servicing rights, fair value	2,774	2,762
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Available for sale debt securities, fair value	0	0
Mortgage servicing rights, fair value	0	0
Other Observable Inputs (Level 2)
Assets:
Available for sale debt securities, fair value	244,250	198,998
Mortgage servicing rights, fair value	0	0
Significant Unobservable Inputs (Level 3)
Assets:
Available for sale debt securities, fair value	0	0
Mortgage servicing rights, fair value	2,774	2,762
Recurring
Assets:
Assets, Total	247,024	201,760
Recurring \| Government sponsored enterprises
Assets:
Available for sale debt securities, fair value	88,050	57,099
Recurring \| Asset-backed securities
Assets:
Available for sale debt securities, fair value	122,726	106,462
Recurring \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities, fair value	33,474	35,437
Recurring \| Mortgage servicing rights
Assets:
Mortgage servicing rights, fair value	2,774	2,762
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Assets, Total	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Government sponsored enterprises
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Asset-backed securities
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mortgage servicing rights
Assets:
Mortgage servicing rights, fair value	0	0
Recurring \| Other Observable Inputs (Level 2)
Assets:
Assets, Total	244,250	198,998
Recurring \| Other Observable Inputs (Level 2) \| Government sponsored enterprises
Assets:
Available for sale debt securities, fair value	88,050	57,099
Recurring \| Other Observable Inputs (Level 2) \| Asset-backed securities
Assets:
Available for sale debt securities, fair value	122,726	106,462
Recurring \| Other Observable Inputs (Level 2) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities, fair value	33,474	35,437
Recurring \| Other Observable Inputs (Level 2) \| Mortgage servicing rights
Assets:
Mortgage servicing rights, fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Assets, Total	0	2,762
Recurring \| Significant Unobservable Inputs (Level 3) \| Government sponsored enterprises
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Asset-backed securities
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Obligations of states and political subdivisions
Assets:
Available for sale debt securities, fair value	0	0
Recurring \| Significant Unobservable Inputs (Level 3) \| Mortgage servicing rights
Assets:
Mortgage servicing rights, fair value	$ 2,774	$ 2,762