Derivatives - Schedule of Offsetting Asset and Liability Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities	$ 73	$ 149
Offsetting Assets [Line Items]
Gross amounts of recognized assets and liabilities	1,410	1,208
Commercial interest rate swaps
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities	73	71
Gross amounts offset in the Statement of Financial Position	0	0
Net amounts of assets and liabilities presented in the Statement of Financial Position	73	71
Gross amounts not offset in the Statement of Financial Position, Financial Instruments	0	0
Gross amounts not offset in the Statement of Financial Position, Collateral Posted	73	71
Gross amounts not offset in the Statement of Financial Position, Net Amount	0	0
Offsetting Assets [Line Items]
Gross amounts of recognized assets and liabilities	73	71
Gross amounts offset in the Statement of Financial Position	0	0
Net amounts of assets and liabilities presented in the Statement of Financial Position	73	71
Gross amounts not offset in the Statement of Financial Position, Financial Instruments	0	0
Gross amounts not offset in the Statement of Financial Position, Collateral Posted	0	0
Gross amounts not offset in the Statement of Financial Position, Net Amount	$ 73	71
Retail interest rate contracts
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities		78
Gross amounts offset in the Statement of Financial Position		0
Net amounts of assets and liabilities presented in the Statement of Financial Position		78
Gross amounts not offset in the Statement of Financial Position, Financial Instruments		0
Gross amounts not offset in the Statement of Financial Position, Collateral Posted		0
Gross amounts not offset in the Statement of Financial Position, Net Amount		$ 78