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Stock Compensation Plans - Narrative (Details)	1 Months Ended	12 Months Ended
Stock Compensation Plans - Narrative (Details)	May 31, 2018 shares	Dec. 31, 2021 USD ($) numberOfPlan installment $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	May 31, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of compensation plans \| numberOfPlan		2
Total intrinsic value of stock options exercised \| $		$ 3,000,000	$ 4,200,000	$ 3,400,000
Fair value of stock options vested \| $		200,000	800,000	5,100,000
Allocated share-based compensation expense \| $		11,500,000	$ 8,300,000	$ 11,100,000
Unrecognized stock-based compensation expense \| $		$ 16,100,000
Weighted average, expected recognition period		1 year 9 months 29 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)		44,524	155,048
Restricted Stock \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of shares granted upon election \| $		$ 100,000
Restricted shares granted based on percent of director compensation		17500000.00%
Restricted Time Based Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of installments \| installment		3
Restricted Performance Based Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years		3 years
Restricted Performance Based Stock Units \| Black-Scholes Option Valuation Model
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share) \| $ / shares		$ 145.67	$ 80.38
2009 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock authorized for grant awards (in shares)		1,781,546
Options outstanding (in shares)		0
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock authorized for grant awards (in shares)	2,974,543				1,974,543
Number of additional shares authorized (in shares)	1,000,000
Expiration period (in years)		7 years
2014 Plan \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)		44,524
Exercise price, lower range (usd per share) \| $ / shares		$ 33.05
Exercise price, upper range (usd per share) \| $ / shares		$ 61.30
Vesting period, years		3 years
2004 and 2009 Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock authorized for grant awards (in shares)	891,960
2014 and 2018 Plans \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred stock unit represents the right to receive		1