Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Activities
Net income	$ 11,856,000	$ 41,455,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, net of accretion	6,079,000	7,803,000
(Increase) decrease in cash surrender value of BOLI	(449,000)	(455,000)
Net realized investment (gains) losses	12,517,000	(13,280,000)
Share-based compensation	902,000	3,346,000
Deferred income taxes	(2,094,000)	7,054,000
Policy acquisition costs, net of amortization (net deferral)	(504,000)	(2,376,000)
Equity in (earnings) loss of unconsolidated subsidiaries	(1,640,000)	(1,808,000)
Distributed earnings from unconsolidated subsidiaries	7,018,000	10,893,000
Other	752,000	(167,000)
Other changes in assets and liabilities:
Premiums receivable	(9,559,000)	(1,238,000)
Reinsurance related assets and liabilities	9,651,000	2,428,000
Other assets	6,254,000	(5,027,000)
Reserve for losses and loss adjustment expenses	8,420,000	3,561,000
Unearned premiums	27,743,000	24,576,000
Other liabilities	(3,592,000)	(7,393,000)
Net cash provided (used) by operating activities	73,354,000	69,372,000
Purchases of:
Fixed maturities, available for sale	(367,872,000)	(160,364,000)
Fixed maturities, trading	(4,162,000)	0
Equity investments	(67,129,000)	(35,400,000)
Other investments	(7,108,000)	(3,930,000)
Funding of qualified affordable housing project tax credit partnerships	0	(37,000)
Investment in unconsolidated subsidiaries	(21,985,000)	(5,613,000)
Proceeds from sales or maturities of:
Fixed maturities, available for sale	459,822,000	171,986,000
Equity investments	51,085,000	41,584,000
Other investments	6,092,000	6,788,000
Return of invested capital from unconsolidated subsidiaries	11,783,000	6,955,000
Net sales or maturities (purchases) of short-term investments	82,976,000	160,792,000
Unsettled security transactions, net change	22,421,000	6,296,000
Purchases of capital assets	(1,836,000)	(4,535,000)
Repayments (advances) under Syndicate Credit Agreement	(17,980,000)	1,159,000
Net cash provided (used) by investing activities	146,107,000	185,681,000
Financing Activities
Borrowings (repayments) under Revolving Credit Agreement	(40,000,000)	0
Repayments of Mortgage Loans	(349,000)	0
Dividends to shareholders	(266,734,000)	(265,664,000)
External capital contribution received for segregated portfolio cells	251,000	114,000
Other	(3,877,000)	(4,932,000)
Net cash provided (used) by financing activities	(310,709,000)	(270,482,000)
Increase (decrease) in cash and cash equivalents	(91,248,000)	(15,429,000)
Cash and cash equivalents at beginning of period	134,495,000	117,347,000
Cash and cash equivalents at end of period	43,247,000	101,918,000
Significant Non-Cash Transactions
Dividends declared and not yet paid	$ 16,616,000	$ 16,516,000