Fair Value of Assets and Liabilities - Recurring (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	$ 450,935	$ 355,580
Obligations of U.S. government agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	47,318	19,664
Mortgage-backed securities - U.S. government sponsored entities and agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	245,235	215,398
Mortgage-backed securities - Non-agency
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	34,317	11,901
State and municipal securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	108,406	82,592
Asset backed securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	15,627	26,025
Other investments
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	32
Significant Other Observable Inputs (Level 2)
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	450,903	355,580
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	32
Assets At Fair Value
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	450,935	355,580
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	450,903	355,580
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. government agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	47,318	19,664
Recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities - U.S. government sponsored entities and agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	245,235	215,398
Recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities - Non-agency
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	34,317	11,901
Recurring basis | Significant Other Observable Inputs (Level 2) | State and municipal securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	108,406	82,592
Recurring basis | Significant Other Observable Inputs (Level 2) | Asset backed securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	15,627	26,025
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	32
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other investments
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	32
Recurring basis | Assets At Fair Value
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	450,935	355,580
Recurring basis | Assets At Fair Value | Obligations of U.S. government agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	47,318	19,664
Recurring basis | Assets At Fair Value | Mortgage-backed securities - U.S. government sponsored entities and agencies
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	245,235	215,398
Recurring basis | Assets At Fair Value | Mortgage-backed securities - Non-agency
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	34,317	11,901
Recurring basis | Assets At Fair Value | State and municipal securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	108,406	82,592
Recurring basis | Assets At Fair Value | Asset backed securities
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	15,627	$ 26,025
Recurring basis | Assets At Fair Value | Other investments
Assets the Company measures at fair value on a recurring basis
Total assets measured on a recurring basis	$ 32