Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net cash provided by operating activities	$ 104,279	$ 88,221
Securities available-for-sale:
Purchases - fixed maturity securities	(245,346)	(144,487)
Sales - fixed maturity securities	29,276	28,101
Maturities and calls - fixed maturity securities	74,460	33,027
Purchases - equity securities	(7,998)	(8,133)
Sales - equity securities		16,612
Bank loan participations:
Purchases	(96,896)	(203,980)
Sales	90,293	113,819
Maturities	29,876	57,652
Other invested assets:
Purchases	(47,099)	(4,800)
Disposals	35	9,470
Maturities and repayments	6,957
Short-term investments, net	81,631	(43,730)
Securities receivable or payable, net	39	37,781
Purchases of property and equipment	(1,185)	(909)
Net cash used in investing activities	(85,957)	(109,577)
Financing activities
Dividends paid	(13,735)	(65,045)
Senior debt issuances		20,300
Debt issue costs paid		(395)
Issuances of common stock	863
Common stock repurchases	(3,715)
Stock option excess tax benefit	2,094
Repayments of financing obligations net of proceeds	(488)	(475)
Other financing	(163)
Net cash used in financing activities	(15,144)	(45,615)
Change in cash and cash equivalents	3,178	(66,971)
Cash and cash equivalents at beginning of period	73,383	158,604
Cash and cash equivalents at end of period	76,561	91,633
Supplemental information
Interest paid	5,490	4,913
U.S. income taxes paid (net of refunds)	$ (1,532)	$ 5,131