Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments (Details)

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Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Financial Assets:        
Total available for sale, Fair Value $ 35,802 $ 37,243    
SBA servicing rights 3,512 3,411 $ 3,288 $ 3,132
Level 1        
Financial Assets:        
Cash and cash equivalents 52,295 57,949    
Time deposits in other banks 245 245    
Level 2        
Financial Assets:        
Total available for sale, Fair Value 35,802 37,243    
FHLB and other bank stock 4,802 4,812    
Loans held for sale 4,902 4,188    
Accrued interest receivable 3,115 3,466    
Bank-owned life insurance 480 479    
Financial Liabilities:        
Deposits 839,512 840,645    
Accrued interest payable 424 407    
Short-term borrowings 15,000 15,000    
Long-term borrowings 73,536 67,310    
Level 3        
Financial Assets:        
Loans, net 869,122 870,749    
SBA servicing rights 3,512 3,411    
Carrying Value        
Financial Assets:        
Cash and cash equivalents 52,295 57,949    
Time deposits in other banks 245 245    
Total available for sale, Fair Value 35,802 37,243    
FHLB and other bank stock 4,802 4,812    
Loans, net 876,374 863,467    
Loans held for sale 4,530 3,814    
Accrued interest receivable 3,115 3,466    
Bank-owned life insurance 480 479    
SBA servicing rights 3,512 3,411    
Financial Liabilities:        
Deposits 840,963 835,368    
Accrued interest payable 424 407    
Short-term borrowings 15,000 15,000    
Long-term borrowings 75,203 76,411    
Fair Value        
Financial Assets:        
Cash and cash equivalents 52,295 57,949    
Time deposits in other banks 245 245    
Total available for sale, Fair Value 35,802 37,243    
FHLB and other bank stock 4,802 4,812    
Loans, net 869,122 870,749    
Loans held for sale 4,902 4,188    
Accrued interest receivable 3,115 3,466    
Bank-owned life insurance 480 479    
SBA servicing rights 3,512 3,411    
Financial Liabilities:        
Deposits 839,512 840,645    
Accrued interest payable 424 407    
Short-term borrowings 15,000 15,000    
Long-term borrowings $ 73,536 $ 67,310