Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Fixed maturity securities (amortized cost $3,434,162; $3,388,418)	$ 3,587,496	$ 3,549,810
Equity securities (cost $667,380; $695,150)	810,602	803,851
Short-term investments (cost $548,975; $376,547)	548,104	375,609
Total investments	4,946,202	4,729,270
Cash	338,430	348,479
Receivables:
Premiums	623,011	599,070
Allowance for credit losses on premiums receivable	(7,000)	(10,000)
Premiums receivable, net of allowance for credit losses	616,011	589,070
Accrued investment income	44,182	42,985
Other	6,675	10,730
Total receivables	666,868	642,785
Reinsurance recoverables	54,312	48,579
Allowance for credit losses on reinsurance recoverables	0	91
Reinsurance recoverables, net of allowance for credit losses	54,312	48,488
Deferred policy acquisition costs	243,736	246,994
Fixed assets (net of accumulated depreciation $292,321; $286,023)	178,393	178,923
Operating lease right-of-use assets	38,889	40,554
Goodwill	42,796	42,796
Other intangible assets, net	11,055	11,322
Other assets	33,473	38,635
Total assets	6,554,154	6,328,246
Liabilities
Loss and loss adjustment expense reserves	2,041,100	1,991,304
Unearned premiums	1,440,434	1,405,873
Notes payable	372,632	372,532
Accounts payable and accrued expenses	191,121	194,421
Operating lease liabilities	42,038	43,825
Current income taxes	34,238	10,426
Deferred income taxes	42,747	41,132
Other liabilities	285,407	236,136
Total liabilities	4,449,717	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	98,837	98,970
Retained earnings	2,005,600	1,933,627
Total shareholders’ equity	2,104,437	2,032,597
Total liabilities and shareholders’ equity	$ 6,554,154	$ 6,328,246