Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net cash provided by (used in) operating activities	[1]	$ 139,321	$ (93,003)
Securities available-for-sale:
Purchases – fixed maturity securities		(351,715)	(273,016)
Sales – fixed maturity securities		158,469	36,591
Maturities and calls – fixed maturity securities		109,184	142,895
Purchases – equity securities		(6,751)	(10,326)
Sales – equity securities		5,171	6,734
Bank loan participations:
Purchases		(59,450)	(71,011)
Sales		32,679	36,059
Maturities		11,360	23,713
Other invested assets:
Purchases		0	(10,545)
Return of capital		998	336
Short-term investments, net		6,128	90,626
Securities receivable or payable, net		22,042	16,229
Purchases of property and equipment		(3,175)	(1,876)
Net cash used in investing activities		(75,060)	(13,591)
Financing activities
Senior debt repayments		(40,000)	0
Issuance of Series A preferred shares		144,898	0
Issuance of common shares - public offering		0	192,107
Issuance of common shares under equity incentive plans		0	329
Common share repurchases		(941)	(2,762)
Dividends on Series A preferred shares		(3,500)	0
Dividends on common shares		(4,007)	(20,804)
Net cash provided by financing activities		96,450	168,870
Change in cash, cash equivalents, and restricted cash equivalents		160,711	62,276
Cash, cash equivalents, and restricted cash equivalents at beginning of period		292,128	1,022,180
Cash, cash equivalents, and restricted cash equivalents at end of period		452,839	1,084,456
Supplemental information
Interest paid		5,455	4,716
Restricted cash equivalents at beginning of period		102,005	859,920
Restricted cash equivalents at end of period		102,099	723,525
Change in restricted cash equivalents		$ 94	$ (136,395)

[1] Cash used in operating activities for the six months ended June 30, 2021 primarily reflects restricted cash equivalents returned to a former insured, per the terms of a collateral trust. See “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations – Amounts Recoverable from an Indemnifying Party and Reinsurer on Legacy Commercial Auto Book”. Excluding the restricted cash activity above, cash provided by operating activities was $139.2 million and $43.4 million for the six months ended June 30, 2022 and 2021, respectively.