v3.19.1
Parent Company Financial Information - Statements of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Cash flows from operating activities                    
Net income $ 3,486 $ 3,147 $ 3,144 $ 2,990 $ (646) $ 3,039 $ 2,858 $ 1,859 $ 12,767 $ 7,109
Adjustments to reconcile net income to net cash provided by operating activities:                    
Provision for loan losses 500 $ 495 $ 630 515 785 $ 700 $ 620 550 2,140 2,655
Stock-based compensation expense                 570 506
Director and employee compensation paid in Company stock                 (141) (239)
Amortization of debt issuance expense                 32 34
Changes in assets and liabilities:                    
Accrued interest receivable                 (595) (654)
Prepaid income taxes and taxes payable                 1,529 (393)
Other assets                 4 913
Accrued interest payable                 481 307
Other liabilities                 1,334 (836)
Net cash provided by operating activities                 28,302 34,814
Cash flows from investing activities                    
Net cash used by investing activities                 (109,263) (133,369)
Cash flows from financing activities                    
Repurchase of common stock                 (45) (512)
Proceeds from exercise of stock options                 1,043 1,668
Proceeds from shares sold                 198 0
Proceeds from initial public offering, net                 19,764 0
Net cash provided by financing activities                 63,373 112,732
Net increase in cash and cash equivalents                 (17,588) 14,177
Cash and cash equivalents, beginning of year       52,311       38,134 52,311 38,134
Cash and cash equivalents, end of year 34,723       52,311       34,723 52,311
Parent Company                    
Cash flows from operating activities                    
Net income                 12,767 7,109
Adjustments to reconcile net income to net cash provided by operating activities:                    
Provision for loan losses                 164 0
Equity in undistributed income-subsidiary                 (9,227) (6,380)
(Increase) decrease in receivable from subsidiary bank                 (148) 144
Stock-based compensation expense                 570 506
Director and employee compensation paid in Company stock                 496 776
Deferred income tax benefit                 (141) (239)
Amortization of debt issuance expense                 32 34
Changes in assets and liabilities:                    
Accrued interest receivable                 (23) (26)
Prepaid income taxes and taxes payable                 45 69
Other assets                 (169) (443)
Accrued interest payable                 (1) 0
Other liabilities                 0 18
Net cash provided by operating activities                 4,365 1,568
Cash flows from investing activities                    
Net increase in loans receivable                 (19,988) (3,558)
Capital injections to subsidiaries                 (367) 80
Net cash used by investing activities                 (20,355) (3,478)
Cash flows from financing activities                    
Repayment of debt                 (2,000) 0
Repurchase of common stock                 (45) (512)
Proceeds from exercise of stock options                 1,043 1,668
Proceeds from shares sold                 198 0
Proceeds from initial public offering, net                 19,764 0
Net cash provided by financing activities                 18,960 1,156
Net increase in cash and cash equivalents                 2,970 (754)
Cash and cash equivalents, beginning of year       $ 798       $ 1,552 798 1,552
Cash and cash equivalents, end of year $ 3,768       $ 798       $ 3,768 $ 798