Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net cash (used in) provided by operating activities	$ (65,305)	$ 35,450
Securities available-for-sale:
Purchases – fixed maturity securities	(182,205)	(130,362)
Sales – fixed maturity securities	4,513	45,466
Maturities and calls – fixed maturity securities	34,861	39,215
Purchases – equity securities	(7,435)	(2,753)
Sales – equity securities	3,295	263
Bank loan participations:
Purchases	(18,408)	(21,746)
Sales	9,735	6,602
Maturities	13,220	11,355
Other invested assets:
Purchases	(438)	0
Return of capital	253	260
Redemptions	13,133	0
Short-term investments, net	85,867	(10,168)
Securities receivable or payable, net	(5,770)	14,643
Purchases of property and equipment	(342)	(144)
Net cash used in investing activities	(49,721)	(47,369)
Financing activities
Senior debt issuances	119,000	0
Senior debt repayments	0	(20,000)
Dividends paid	(9,468)	(9,244)
Issuance of common shares under equity incentive plans	0	2,632
Common share repurchases	(2,038)	(1,374)
Net cash provided by (used in) financing activities	107,494	(27,986)
Change in cash, cash equivalents, and restricted cash equivalents	(7,532)	(39,905)
Cash, cash equivalents, and restricted cash equivalents at beginning of period	1,406,076	172,457
Cash, cash equivalents, and restricted cash equivalents at end of period	1,398,544	132,552
Supplemental information
Interest paid	$ 3,248	$ 3,339