Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investments, at fair value:
Fixed maturity securities (amortized cost $3,909,780; $3,388,418)	$ 4,031,523	$ 3,549,810
Equity securities (cost $754,536; $695,150)	970,939	803,851
Short-term investments (cost $141,206; $376,547)	140,127	375,609
Total investments	5,142,589	4,729,270
Cash	335,557	348,479
Receivables:
Premiums	621,740	599,070
Allowance for credit losses on premiums receivable	(6,000)	(10,000)
Premiums receivable, net of allowance for credit losses	615,740	589,070
Accrued investment income	43,299	42,985
Other	7,600	10,730
Total receivables	666,639	642,785
Reinsurance recoverables	45,000	48,579
Allowance for credit losses on reinsurance recoverables	0	(91)
Reinsurance recoverables, net of allowance for credit losses	45,000	48,488
Deferred policy acquisition costs	258,259	246,994
Fixed assets, net	191,332	178,923
Operating lease right-of-use assets	31,967	40,554
Current income taxes	20,108	0
Goodwill	42,796	42,796
Other intangible assets, net	10,255	11,322
Other assets	27,970	38,635
Total assets	6,772,472	6,328,246
Liabilities
Loss and loss adjustment expense reserves	2,226,430	1,991,304
Unearned premiums	1,519,799	1,405,873
Notes payable	372,931	372,532
Accounts payable and accrued expenses	169,125	194,421
Operating lease liabilities	34,577	43,825
Current income taxes	0	10,426
Deferred income taxes	53,569	41,132
Other liabilities	255,760	236,136
Total liabilities	4,632,191	4,295,649
Commitments and contingencies
Shareholders’ equity:
Authorized 70,000 shares; issued and outstanding 55,371; 55,358	98,943	98,970
Retained earnings	2,041,338	1,933,627
Total shareholders’ equity	2,140,281	2,032,597
Total liabilities and shareholders’ equity	$ 6,772,472	$ 6,328,246