Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)

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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Assets:    
Total available for sale, Fair Value $ 35,802 $ 37,243
U.S. Government Agencies    
Assets:    
Total available for sale, Fair Value 1,907 1,949
Residential Mortgage-backed Securities    
Assets:    
Total available for sale, Fair Value 28,366 29,629
Corporate Bonds and Other Debt Securities    
Assets:    
Total available for sale, Fair Value 5,529 5,665
Level 2    
Assets:    
Total available for sale, Fair Value 35,802 37,243
Fair Value Measurements on Recurring Basis    
Assets:    
Total available for sale, Fair Value 39,314 40,654
Fair Value Measurements on Recurring Basis | U.S. Government Agencies    
Assets:    
Total available for sale, Fair Value 1,907 1,949
Fair Value Measurements on Recurring Basis | Residential Mortgage-backed Securities    
Assets:    
Total available for sale, Fair Value 28,366 29,629
Fair Value Measurements on Recurring Basis | Corporate Bonds and Other Debt Securities    
Assets:    
Total available for sale, Fair Value 5,529 5,665
Fair Value Measurements on Recurring Basis | SBA Servicing Rights    
Assets:    
Total available for sale, Fair Value 3,512 3,411
Fair Value Measurements on Recurring Basis | Level 2    
Assets:    
Total available for sale, Fair Value 35,802 37,243
Fair Value Measurements on Recurring Basis | Level 2 | U.S. Government Agencies    
Assets:    
Total available for sale, Fair Value 1,907 1,949
Fair Value Measurements on Recurring Basis | Level 2 | Residential Mortgage-backed Securities    
Assets:    
Total available for sale, Fair Value 28,366 29,629
Fair Value Measurements on Recurring Basis | Level 2 | Corporate Bonds and Other Debt Securities    
Assets:    
Total available for sale, Fair Value 5,529 5,665
Fair Value Measurements on Recurring Basis | Level 3    
Assets:    
Total available for sale, Fair Value 3,512 3,411
Fair Value Measurements on Recurring Basis | Level 3 | SBA Servicing Rights    
Assets:    
Total available for sale, Fair Value $ 3,512 $ 3,411