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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based compensation [Abstract] |  |  |
Stock-based compensation expense | $ 4,414 | $ 4,581 | $ 4,210
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value [Abstract] |  |  |
Number of shares available for future grant (in shares) | 613,810 |  |
Stock Options [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Stock awards termination period | 10 years |  |
Stock-based compensation expense | $ 0 | $ 0 | 1
Number of Shares [Roll Forward] |  |  |
Outstanding, beginning of period (in shares) | 13,800 |  |
Exercised (in shares) | (4,700) |  |
Expired (in shares) | 0 |  |
Outstanding, end of period (in shares) | 9,100 | 13,800 |
Exercisable, end of period (in shares) | 9,100 |  |
Weighted Average Exercise Price [Abstract] |  |  |
Outstanding, beginning of period (in dollars per share) | $ 27.83 |  |
Exercised (in dollars per share) | 23.82 |  |
Expired (in dollars per share) | 0 |  |
Outstanding, end of period (in dollars per share) | 29.89 | $ 27.83 |
Exercisable, end of period (in dollars per share) | $ 29.89 |  |
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value [Abstract] |  |  |
Weighted average remaining contractual term, outstanding, end of period | 4 years 25 days |  |
Weighted average remaining contractual term, exercisable, end of period | 4 years 25 days |  |
Aggregate intrinsic value, outstanding, end of period | $ 82 |  |
Aggregate intrinsic value, exercisable, end of period | 82 |  |
Proceeds from stock options exercised | 112 | $ 185 | 725
Tax benefits related to stock options exercised | 13 | 41 | 123
Intrinsic value of stock options exercised | 52 | 165 | 490
Fair value of shares vested during the year | 0 | 0 | 13
Restricted Stock [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Stock-based compensation expense | $ 4,400 | $ 4,600 | 4,200
Restricted Stock [Member] | Employees [Member] | Minimum [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Stock awards vesting period | 3 years |  |
Restricted Stock [Member] | Employees [Member] | Maximum [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Stock awards vesting period | 5 years |  |
Restricted Stock [Member] | Non-employee Directors [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Stock awards vesting period | 3 years |  |
Restricted Stock Units (RSUs) [Member] |  |  |
Number of Shares [Roll Forward] |  |  |
Unvested, beginning of period (in shares) | 585,255 |  |
Forfeited (in shares) | (29,747) |  |
Vested (in shares) | (202,765) |  |
Granted (in shares) | 141,289 |  |
Unvested, end of period (in shares) | 494,032 | 585,255 |
Weighted Average Grant Date Fair Value [Abstract] |  |  |
Unvested, beginning of period (in dollars per share) | $ 29.78 |  |
Forfeited (in dollars per share) | 30.60 |  |
Vested (in dollars per share) | 29.48 |  |
Granted (in dollars per share) | 34.03 |  |
Unvested, end of period (in dollars per share) | $ 30.89 | $ 29.78 |
Restricted Stock Awards and Stock Units [Member] |  |  |
Share-based compensation [Abstract] |  |  |
Tax benefit on restricted stock awards | $ 1,900 | $ 1,000 | $ 1,100
Unrecognized compensation cost | $ 4,700 |  |
Unrecognized compensation cost, weighted average period of recognition | 1 year 6 months |  |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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