Employee Benefit Plans - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) year hour quarter	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
401(k) and Profit Sharing Plan
401(k) and Profit Sharing Plans
Minimum age required to be considered eligible for plan | year	18
Period of employment required to be eligible for plan	3 months
Minimum number of quarters required to be eligible for employer discretionary contribution | quarter	1
Minimum number of hours required to be considered eligible for employer discretionary contribution | hour	501
Percent rate for non-elective safe harbor contribution as component of profit sharing plan	3.00%
Cost of plan	$ 23,588	$ 20,421	$ 22,047
Age of employee | year	50
Percentage of amount out of first specific percent of employee's contribution matched under plan	50.00%
Percentage of employee's contribution required to determine the matched amount under the plan	6.00%
Company's contribution to the plan	$ 6,247	5,267	4,985
401(k) and Profit Sharing Plan | Age Under 50
401(k) and Profit Sharing Plans
Maximum percentage of annual compensation allowable for contribution by eligible employees	60.00%
401(k) and Profit Sharing Plan | Age 50 and Over
401(k) and Profit Sharing Plans
Maximum percentage of annual compensation allowable for contribution by eligible employees	100.00%
Deferred Compensation Plan
401(k) and Profit Sharing Plans
Cost of plan	$ 443	470	504
Percentage of salary for deferral of cash payments	50.00%
Percentage of bonuses and directors fees for deferral of cash payments	100.00%
Liability related to obligations of deferred compensation plans	$ 9,159	8,861
Total amount deferred	$ 1,317	1,137	1,109
Credit earning rate as a percentage of return on equity	50.00%
Deferred Compensation Plan Acquired
401(k) and Profit Sharing Plans
Cost of plan	$ 1,444	1,094	971
Liability related to obligations of deferred compensation plans	18,415	18,560
Supplemental Employee Retirement Plan
401(k) and Profit Sharing Plans
Cost of plan	159	164	199
Company's contribution to the plan	943	858	$ 910
Liability related to obligations of deferred compensation plans	$ 4,665	$ 3,974
Credit earning rate as a percentage of return on equity	50.00%