Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
ASSETS
Fixed maturity securities (amortized cost $3,850,850; $3,388,418)	$ 3,990,513	$ 3,549,810
Equity securities (cost $734,861; $695,150)	890,620	803,851
Short-term investments (cost $194,721; $376,547)	193,621	375,609
Total investments	5,074,754	4,729,270
Cash	341,606	348,479
Receivables:
Premiums	653,599	599,070
Allowance for credit losses on premiums receivable	(6,000)	(10,000)
Premiums receivable, net of allowance for credit losses	647,599	589,070
Accrued investment income	41,546	42,985
Other	7,258	10,730
Total receivables	696,403	642,785
Reinsurance recoverables	49,925	48,579
Allowance for credit losses on reinsurance recoverables	0	(91)
Reinsurance recoverables, net of allowance for credit losses	49,925	48,488
Deferred policy acquisition costs	263,274	246,994
Fixed assets (net of accumulated depreciation $301,890; $286,023)	185,934	178,923
Operating lease right-of-use assets	34,038	40,554
Current income taxes	10,420	0
Goodwill	42,796	42,796
Other intangible assets, net	10,522	11,322
Other assets	44,701	38,635
Total assets	6,754,373	6,328,246
Liabilities
Loss and loss adjustment expense reserves	2,142,121	1,991,304
Unearned premiums	1,545,297	1,405,873
Notes payable	372,831	372,532
Accounts payable and accrued expenses	182,138	194,421
Operating lease liabilities	36,843	43,825
Current income taxes	0	10,426
Deferred income taxes	39,524	41,132
Other liabilities	290,686	236,136
Total liabilities	4,609,440	4,295,649
Commitments and contingencies
Shareholders’ equity:
Common stock without par value or stated value: Authorized 70,000 shares; issued and outstanding 55,371; 55,358	98,908	98,970
Retained earnings	2,046,025	1,933,627
Total shareholders’ equity	2,144,933	2,032,597
Total liabilities and shareholders’ equity	$ 6,754,373	$ 6,328,246