Income Taxes - Tax Effects of Temporary Differences That Rises to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 1,515	$ 1,473
Allowance for doubtful accounts	4,876	4,682
Employee benefits and compensation	38,137	37,075
Lease costs	7,398	6,871
Other deferred tax assets	1,888	574
Total gross deferred tax assets	53,814	50,675
Less: valuation allowance	(2,721)	(3,156)
Total deferred tax assets, net	51,093	47,519
Deferred tax liabilities:
Goodwill and other intangibles	77,005	68,306
Property and equipment	836	1,185
Other deferred tax liabilities	2,539	2,791
Total gross deferred tax liabilities	80,380	72,282
Deferred income taxes, net	$ (29,287)	$ (24,763)