Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets:
Cash and cash equivalents	$ 165,259	$ 151,815
Cash and cash equivalents - restricted	61,933	74,325
Investment securities	579,344	688,346
Receivables:
Funds and separate accounts	13,050	15,167
Customers and other	57,781	80,089
Prepaid expenses and other current assets	35,946	31,655
Total current assets	913,313	1,041,397
Property and equipment, net	27,213	34,726
Goodwill and identifiable intangible assets	145,869	145,869
Deferred income taxes	15,676	14,418
Other non-current assets	23,359	29,918
Total assets	1,125,430	1,266,328
Liabilities:
Accounts payable	17,509	20,123
Payable to investment companies for securities	17,443	36,883
Payable to third party brokers	16,559	17,123
Payable to customers	81,265	84,558
Short-term notes payable	94,980
Accrued compensation	65,896	79,507
Other current liabilities	56,515	71,001
Total current liabilities	350,167	309,195
Long-term debt		94,926
Accrued pension and postretirement costs	579	3,145
Other non-current liabilities	27,173	30,960
Total liabilities	377,919	438,226
Redeemable noncontrolling interests		19,205
Stockholders' equity:
Preferred stock-$1.00 par value: 5,000 shares authorized; none issued
Class A Common stock-$0.01 par value: 250,000 shares authorized; 99,701 shares issued; 62,548 shares outstanding (68,847 at December 31, 2019)	997	997
Additional paid-in capital	296,220	312,693
Retained earnings	1,270,678	1,241,598
Cost of 37,153 common shares in treasury (30,854 at December 31, 2019)	(824,309)	(749,625)
Accumulated other comprehensive income	3,925	3,234
Total stockholders' equity	747,511	808,897
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 1,125,430	$ 1,266,328