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Stockholders' Equity Stockholders' Equity (Stock-Based Compensation Plans) (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Apr. 16, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Class of Stock [Line Items] |  |  |  |
Exercise of stock options, shares |  | 18,736 | 101,000 |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price |  |  | $ 24.18 |
Payment, Tax Withholding, Share-based Payment Arrangement |  | $ 289,000 | $ 642,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period, Description |  | 8,125 | 62,766 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value |  | $ 25.88 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Returned for Payroll Taxes |  | 1,601 | 8,011 |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price |  | $ 16.39 |  | $ 17.38
Treasury Stock, Shares, Acquired |  | 490,000 | 0 |
Treasury Stock Acquired, Average Cost Per Share |  | $ 53.08 | $ 0 |
Treasury Stock, Value, Acquired, Cost Method |  | $ 26,010,000 | $ 0 |
Advsior |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 93 | 142 |
Share Based Compensation Arrangement By Share Based Payment Award, Options, Aggregate Grant Date Fair Value |  | $ 5,000 | $ 5,000 |
Stock options |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 58,500 | 310,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value |  | $ 500,000 | $ 1,300,000 |
Proceeds from Stock Options Exercised |  | 60,000 | 147,000 |
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  | $ 82,000 | $ 295,000 |
Dividend yield |  | 0.91% | 0.91% |
Expected volatility |  | 33.18% | 34.35% |
Risk-free interest rate |  | 1.89% | 1.98% |
Expected holding period (years) |  | 5 years | 7 years |
Stock options | Black-Scholes |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share price at grant date |  |  | $ 34.79 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period |  | 7,000 | 3,840 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures Fair Valueriod |  | $ 71,000 | $ 24,000 |
Stock options | Black-Scholes | Five Year Vesting Period |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 58,500 | 701,400 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value |  | $ 959,000 | $ 7,115,000 |
Stock options | Black-Scholes | Seven Year Vesting Period |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 310,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value |  | $ 5,388,000 |  |
Stock options | Monte-Carlo Pricing Model |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  | 150,000 |
Share price at grant date |  | $ 49.48 | $ 34.79 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value |  |  | $ 1,700,000 |
Restricted Stock Units (RSUs) [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 0 | 9,300 |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value |  | $ 31,000 | $ 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Aggregate Grant Date Market Value |  | $ 0 | $ 324,000 |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation |  | 4,185 | 9,688 |
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  | $ 207,000 | $ 347,000 |
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited |  | 1,000 | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value |  |  | $ 34.79 |
Performance awards |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share price at grant date | $ 49.48 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 3,750 | 0 |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value |  | $ 162,000 | $ 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |  | 6,987 | 27,948 |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value |  | $ 67,000 | $ 268,000 |
Expected volatility | 44.00% |  |  |
Risk-free interest rate | 1.75% |  |  |
Expected holding period (years) | 2 years 10 months 6 days |  |  |
Good to Great Awards |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share price at grant date | $ 49.48 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |  | 27,448 |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value |  | $ 1,400,000 |  |

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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 estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the 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 (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option 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)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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)(i) -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 S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 + Details
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