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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures [Abstract] |
Schedule of Weighted Average Assumptions used in Black-Scholes Model for Valuing Stock Option Grants | The weighted average assumptions used in the Black-Scholes model for valuing stock option grants were as follows.
| December 31 |
|  | 2021 |  |  |  | 2020 |
Dividend yield |  | 0.00 | % |  |  | 0.00 | %
Expected volatility |  | 36.62 | % |  |  | 25.40 | %
Risk-free interest rate |  | 1.04 | % |  |  | 0.53 | %
Expected average life |  | 7.5 |  |  |  | 7.5 |
Weighted average per share fair value | $ | 5.34 |  |  | $ | 2.02 |
Summary of Stock Option Activity | A summary of the Company's stock option activity is summarized below.
Stock Options |  | Option Shares Outstanding |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Life (Years) |  |  | Aggregate Intrinsic Value (in thousands) |
Outstanding - January 1, 2020 |  |  | 324,916 |  |  | $ | 11.14 |  |  |  | 9.30 |  |  |  | — |
Granted |  |  | 130,588 |  |  |  | 7.77 |  |  |  |  |  |  |
Exercise of stock options* |  |  | — |  |  | — |  |  |  |  |  |  |
Forfeited |  |  | (133,988 | ) |  |  | — |  |  |  |  |  |  |
Outstanding - December 31, 2020 |  |  | 321,516 |  |  | $ | 9.77 |  |  |  | 8.60 |  |  | $ | 203 |
Exercisable - December 31, 2020 |  |  | 38,186 |  |  | $ | 11.14 |  |  |  | 8.20 |  |  | $ | — |
Granted |  |  | 13,454 |  |  | $ | 13.09 |  |  |  |  |  |  |
Exercise of stock options* |  |  |  |  | — |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | — |  |  |  |  |  |  |
Outstanding - December 31, 2021 |  |  | 334,970 |  |  | $ | 9.90 |  |  |  | 7.80 |  |  | $ | 676 |
Exercisable - December 31, 2021 |  |  | 102,489 |  |  | $ | 10.28 |  |  |  | 7.57 |  |  | $ | 274 |
* The terms of the stock option agreements permit having a number of shares of stock withheld, the fair market value of which as of the date of exercise is sufficient to satisfy the exercise price and/or tax withholding requirements.
Summary of Restricted Stock Activity | A summary of the Company's restricted stock activity is summarized below.
Restricted Stock |  |  |  |  |  | Weighted Average Grant Date Fair Value |  |  | Restricted Shares Outstanding |
Outstanding - January 1, 2020 |  |  |  |  |  | $ | 10.10 |  |  |  | 120,588 |
Granted |  |  |  |  |  |  | 7.05 |  |  |  | 64,666 |
Vested* |  |  |  |  |  |  | — |  |  |  | (13,865 | )
Forfeited |  |  |  |  |  |  | — |  |  |  | (51,266 | )
Outstanding - December 31, 2020 |  |  |  |  |  | $ | 8.63 |  |  |  | 120,123 |
Granted |  |  |  |  |  | $ | — |  |  |  | — |
Vested* |  |  |  |  |  |  | — |  |  |  | (26,787 | )
Forfeited |  |  |  |  |  |  | — |  |  |  | — |
Outstanding - December 31, 2021 |  |  |  |  |  | $ | 8.63 |  |  |  | 93,336 |
*The terms of the restricted stock agreements permit the surrender of shares of the Company upon vesting in order to satisfy applicable tax withholding requirements at the minimum statutory withholding rate, and accordingly, 2,641 shares were surrendered during the year ended December 31, 2021.

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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