Deferred Compensation Benefits - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation Text Details [Line Items]
Comprehensive pension gain (loss)	$ (2,479,000)	$ 2,286,000	$ 2,847,000
Amounts not recognized as net periodic benefit, net of tax	(9,243,000)	(11,722,000)
Pension loss adjustment, net of tax	(2,500,000)	2,300,000	2,800,000
FDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit payments	0	0
Estimated future employer contributions, next year		0
Benefit obligation	400,000	$ 600,000
Comprehensive pension gain (loss)	$ (200,000)
Discount rate	1.00%	0.35%
Change in discount rate	0.65%
Amounts not recognized as net periodic benefit, net of tax	$ (100,000)
FDBP [Member] | Maximum [Member]
Deferred Compensation Text Details [Line Items]
Comprehensive pension gain (loss)		$ 200,000
Amounts not recognized as net periodic benefit, net of tax		100,000
SDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit payments		0
Estimated future employer contributions, next year		$ 0
Discount rate	0.35%	0.35%
Amounts not recognized as net periodic benefit, net of tax		$ 100,000
SDBP [Member] | Maximum [Member]
Deferred Compensation Text Details [Line Items]
Benefit obligation	$ 100,000	100,000
Comprehensive pension gain (loss)	100,000	100,000
Amounts not recognized as net periodic benefit, net of tax	100,000
ESBP [Member]
Deferred Compensation Text Details [Line Items]
Estimated future employer contributions, next year	500,000
Benefit obligation	4,400,000	4,800,000
Comprehensive pension gain (loss)	$ (200,000)	$ (200,000)
Discount rate	2.10%	1.56%
Change in discount rate	0.54%
Amounts not recognized as net periodic benefit, net of tax	$ 1,100,000	$ 1,100,000
ESBP [Member] | Maximum [Member]
Deferred Compensation Text Details [Line Items]
Increase (decrease) in plan liabilities	400,000
NDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit obligation	$ 13,900,000	$ 16,900,000
Discount rate	1.00%	0.40%
Change in discount rate	0.60%
Increase (decrease) in plan liabilities	$ 3,000,000.0
Targeted minimum return	4.00%	4.00%
Guaranteed return	4.00%	4.00%
Amounts not recognized as net periodic benefit, net of tax	$ 6,700,000	$ 9,300,000
BDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit obligation	$ 12,300,000	$ 12,400,000
Discount rate	1.05%	0.50%
Change in discount rate	0.55%
Increase (decrease) in plan liabilities	$ 100,000
Targeted minimum return	3.10%	3.20%
BDBP [Member]
Deferred Compensation Text Details [Line Items]
Amounts not recognized as net periodic benefit, net of tax	$ 1,500,000	$ 1,300,000
ESBP, NDBP, BDBP, FDBP and SDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit obligation	30,957,000	34,729,000	30,629,000
Pension loss adjustment, net of tax	(2,000,000.0)	2,700,000	3,300,000
Amount to be recognized as components of net periodic benefit in next year	500,000
Employer contributions	1,199,000	1,188,000
Key Employee Non Qualified Deferred Compensation Plan [Member]
Deferred Compensation Text Details [Line Items]
Employer contributions	$ 0	$ 0	$ 0
Number of stock units purchased	20,958	0	0
Non Employee Director Deferred Compensation Plan [Member]
Deferred Compensation Text Details [Line Items]
Employer contributions	$ 0	$ 0	$ 0
Release of shares	416,265