Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Consolidated Statements of Cash Flows
Net cash provided by operating activities	$ 21,266	$ 23,407
Cash Flows from investing activities
Investments purchased	(128,242)	(196,468)
Investments sold	114,930	140,445
Investments called or matured	19,800	39,781
Net change in short-term investments	(14,897)	2,572
Net property and equipment purchased	(4,088)	(1,062)
Investment in equity method investee		(1,711)
Cash consideration for purchase of agency	(850)
Net cash provided by (used in) investing activities	(13,347)	(16,443)
Cash Flows from financing activities
Cash dividends paid	(8,286)	(7,766)
Stock plan share issuance	1,480	330
Excess tax benefit from exercise of stock options	2,375	1,366
Net cash used in financing activities	(4,431)	(6,070)
Net increase in cash	3,488	894
Cash at the beginning of the period	11,081	30,620
Cash at the end of the period	$ 14,569	$ 31,514