Condensed Parent Company Only Financial Statements (Tables)
 12 Months Ended
Dec. 31, 2021
Condensed Financial Information Disclosure [Abstract]  
Schedule of Condensed Balance Sheet
Balance Sheets
 December 31,
(Dollars in thousands, except per share data)20212020
Assets  
Cash$1,981 $3,302 
Investment in subsidiaries404,975 406,032 
Other assets365 430 
Total assets$407,321 $409,764 
Liabilities and Shareholders' Equity  
Liabilities
Subordinated debt$58,979 $73,744 
Accrued interest payable1,444 1,591 
Other liabilities3 3 
Total liabilities60,426 75,338 
Shareholders' equity:  
Preferred stock, $0.01 par value per share; 1,000,000 shares authorized; no shares issued
— — 
Common stock $0.01 par value per share; 40,000,000 shares authorized; 12,038,382 and 11,937,795 shares issued, respectively
120 119 
Additional paid-in capital100,352 97,137 
Retained earnings241,761 214,977 
Accumulated other comprehensive income4,662 22,193 
Total shareholders' equity346,895 334,426 
Total liabilities and shareholders' equity$407,321 $409,764 
Schedule of Condensed Income Statement
Statements of Income
 For the years ended December 31,
(Dollars in thousands)202120202019
Equity in undistributed net income of subsidiaries$22,985 $30,309 $29,329 
Dividends distributed by subsidiaries22,350 3,100 5,700 
Total income45,335 33,409 35,029 
Interest expense3,495 2,502 925 
Other operating expenses891 215 226 
Total operating expenses4,386 2,717 1,151 
Income before income taxes40,949 30,692 33,878 
Benefit from income taxes(1,222)(764)(322)
Net income$42,171 $31,456 $34,200 
Schedule of Condensed Cash Flow Statement
Statements of Cash Flows
 For the years ended December 31,
(Dollars in thousands)202120202019
Cash flows from operating activities:   
Net income$42,171 $31,456 $34,200 
Adjustments to reconcile net income to net cash provided by operating activities:   
Equity in undistributed net income of subsidiaries(22,985)(30,309)(29,329)
Payment from subsidiary bank for stock compensation expense2,094 1,872 1,869 
Changes in:
Net decrease (increase) in other assets66 (229)(3)
Net (decrease) increase in other liabilities(25)385 12 
Net cash provided by operating activities21,321 3,175 6,749 
Cash flows from investing activities:
Investment in subsidiary— (53,000)— 
Net cash provided by investing activities— (53,000)— 
Cash flows from financing activities:   
Repayment of subordinated debt(2)
(14,887)— — 
Proceeds from the issuance of subordinated debt— 60,000 — 
Cash dividends paid, net of dividend reinvestment plan(7,627)(7,105)(6,371)
Proceeds from issuance of common stock59 91 69 
Net settlement for employee tax withholding on restricted stock and options(346)(233)(402)
Net proceeds from exercise of stock options159 21 185 
Net cash (used in) provided by financing activities (22,642)52,774 (6,519)
Net (decrease) increase in cash and cash equivalents(1,321)2,949 230 
Cash at beginning of year3,302 353 123 
Cash at end of year$1,981 $3,302 $353