Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Carrying Amounts And Estimated Fair Values Of Financial Instruments

The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments:

	March 31, 2021				December 31, 2020
(In thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Fixed maturity securities	$	15,400,118	$	15,412,192	$	14,159,369	$	14,173,629
Equity securities	621,629		621,629		625,667		625,667
Arbitrage trading account	614,721		614,721		341,473		341,473
Loans receivable	76,896		78,504		84,913		86,596
Cash and cash equivalents	2,014,911		2,014,911		2,372,366		2,372,366
Trading account receivables from brokers and clearing organizations	257,756		257,756		524,727		524,727
Due from broker	—		—		2,585		2,585
Liabilities:
Due to broker	149,295		149,295		—		—
Trading account securities sold but not yet purchased	218		218		10,048		10,048
Senior notes and other debt	2,021,142		2,191,022		1,623,025		1,892,444
Subordinated debentures	1,289,272		1,364,002		1,102,309		1,202,842