Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities
Net cash provided by operating activities	$ 121,001	$ 83,916
Securities available-for-sale:
Purchases – fixed maturity securities	(174,635)	(233,753)
Sales – fixed maturity securities	58,678	62,006
Maturities and calls – fixed maturity securities	48,172	106,687
Purchases – equity securities	0	(3,680)
Sales – equity securities	2,748	4,811
Bank loan participations:
Purchases	(192,624)	(86,074)
Sales	105,747	21,743
Maturities	47,157	45,861
Other invested assets:
Purchases	(6,322)	(1,990)
Return of capital	0	717
Maturities and repayments	0	6,500
Short-term investments, net	8,513	(3,986)
Securities receivable or payable, net	12,682	705
Purchases of property and equipment	(2,118)	(2,142)
Net cash used in investing activities	(92,002)	(82,595)
Financing activities
Dividends paid	(26,596)	(17,428)
Issuance of common shares under equity incentive plans	1,548	2,134
Common share repurchases	(6,613)	(716)
Repayments of financing obligations net of proceeds	(622)	(844)
Net cash used in financing activities	(32,283)	(16,854)
Change in cash and cash equivalents	(3,284)	(15,533)
Cash and cash equivalents at beginning of period	109,784	106,406
Cash and cash equivalents at end of period	106,500	90,873
Supplemental information
Interest paid	$ 6,626	$ 6,011