CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net cash provided by (used in) operating activities		$ 82,916	$ (50,257)
Cash flows from investing activities:
Proceeds from sale of property and equipment		50	9
Purchases of property and equipment		(3,298)	(690)
Purchases of equity securities		(977)	(9,356)
Purchases of available-for-sale debt securities		(109,615)	(26,236)
Proceeds from sales of equity securities		2,910	2,789
Proceeds from sales of available-for-sale debt securities		3,700	3,301
Maturities of available-for-sale debt securities		32,849	27,554
Net cash provided by (used in) investing activities		(74,381)	(2,629)
Cash flows from financing activities:
Preferred stock dividend		(3)	(3)
Common stock dividend		(4,639)	(4,980)
Purchase of treasury stock inclusive of excise taxes paid		(4,508)	0
Payments related to tax withholding for share-based compensation		0	(314)
Repayment of debt		(368)	(368)
Net cash provided by (used in) financing activities		(9,518)	(5,665)
Cash and cash equivalents and restricted cash and cash equivalents:
Net increase (decrease) during the period		(983)	(58,551)
Balance, beginning of period		399,941	391,341
Balance, end of period		398,958	332,790
Cash and cash equivalents, and restricted cash and cash equivalents within the Consolidated Balance Sheets
Cash and cash equivalents		396,323
Restricted cash and cash equivalents	[1]	2,635
Total cash and cash equivalents and restricted cash and cash equivalents		$ 398,958	$ 332,790

[1] See “—Note 5 (Insurance Operations)” for a discussion of the nature of the restrictions for restricted cash and cash equivalents.