CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating revenue
Total operating revenue	$ 1,011,911	$ 989,399
Operating expenses
Total operating expenses	845,124	838,023
Operating income	166,787	151,376
Investment income
Net investment income	23,560	19,948
Net realized and unrealized investment (losses) gains	(765)	502
Net impairment losses recognized in earnings	(676)	(914)
Total investment income	22,119	19,536
Other income	1,420	3,834
Income before income taxes	190,326	174,746
Income tax expense	39,852	36,329
Net income	$ 150,474	$ 138,417
Class A common stock
Earnings per share - Basic and diluted:
Common stock - basic (in dollars per share)	$ 3.23	$ 2.97
Common stock - diluted (in dollars per share)	$ 2.88	$ 2.65
Weighted average shares outstanding – Basic
Common stock - Basic (in shares)	46,188,850	46,188,903
Weighted average shares outstanding – Diluted
Common stock - Diluted (in shares)	52,300,180	52,304,384
Dividends declared per share
Dividends declared (in dollars per share)	$ 1.4625	$ 1.365
Class B common stock
Earnings per share - Basic and diluted:
Common stock - basic (in dollars per share)	485	446
Common stock - diluted (in dollars per share)	$ 485	$ 446
Weighted average shares outstanding – Basic
Common stock - Basic (in shares)	2,542	2,542
Weighted average shares outstanding – Diluted
Common stock - Diluted (in shares)	2,542	2,542
Dividends declared per share
Dividends declared (in dollars per share)	$ 219.375	$ 204.75
Management fee revenue - policy issuance and renewal services
Operating revenue
Total operating revenue	$ 786,399	$ 755,049
Operating expenses
Total operating expenses	645,028	627,750
Management fee revenue - administrative services
Operating revenue
Total operating revenue	19,475	17,645
Administrative services reimbursement revenue
Operating revenue
Total operating revenue	200,096	210,273
Operating expenses
Total operating expenses	200,096	210,273
Service agreement revenue
Operating revenue
Total operating revenue	$ 5,941	$ 6,432