Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Fixed maturity securities (amortized cost $3,595,994; $3,388,418)	$ 3,761,777	$ 3,549,810
Equity securities (cost $694,913; $695,150)	870,556	803,851
Short-term investments (cost $409,400; $376,547)	408,471	375,609
Total investments	5,040,804	4,729,270
Cash	378,615	348,479
Receivables:
Premiums	621,704	599,070
Allowance for credit losses on premiums receivable	(6,000)	(10,000)
Premiums receivable, net of allowance for credit losses	615,704	589,070
Accrued investment income	40,760	42,985
Other	10,309	10,730
Total receivables	666,773	642,785
Reinsurance recoverables	52,705	48,579
Allowance for credit losses on reinsurance recoverables	0	(91)
Reinsurance recoverables, net of allowance for credit losses	52,705	48,488
Deferred policy acquisition costs	250,823	246,994
Fixed assets (net of accumulated depreciation $296,747; $286,023)	181,969	178,923
Operating lease right-of-use assets	36,896	40,554
Current income taxes	623	0
Goodwill	42,796	42,796
Other intangible assets, net	10,789	11,322
Other assets	34,155	38,635
Total assets	6,696,948	6,328,246
Liabilities
Loss and loss adjustment expense reserves	2,091,015	1,991,304
Unearned premiums	1,471,124	1,405,873
Notes payable	372,732	372,532
Accounts payable and accrued expenses	195,973	194,421
Operating lease liabilities	39,874	43,825
Current income taxes	0	10,426
Deferred income taxes	52,616	41,132
Other liabilities	294,983	236,136
Total liabilities	4,518,317	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	98,872	98,970
Retained earnings	2,079,759	1,933,627
Total shareholders’ equity	2,178,631	2,032,597
Total liabilities and shareholders’ equity	$ 6,696,948	$ 6,328,246