Stock-Based Compensation - Restricted Stock Award Activity and Weighted Average Price (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Restricted Stock | |||
| Unvested, beginning balance (in shares) | 116,174 | ||
| Unvested, ending balance (in shares) | 113,871 | 116,174 | |
| Restricted Stock | |||
| Restricted Stock | |||
| Unvested, beginning balance (in shares) | 116,174 | ||
| Granted (in shares) | 53,975 | 59,311 | 55,198 |
| Vested/released (in shares) | 53,960 | ||
| Forfeited (in shares) | 2,318 | ||
| Unvested, ending balance (in shares) | 113,871 | 116,174 | |
| Weighted Average Grant Price Per Share | |||
| Unvested, beginning balance (in usd per share) | $ 29.70 | ||
| Granted (in usd per share) | 32.73 | $ 28.22 | $ 29.84 |
| Vested/released (in usd per share) | 30.78 | ||
| Forfeited (in usd per share) | 30.61 | ||
| Unvested, ending balance (in usd per share) | $ 30.61 | $ 29.70 | |