Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Operating Activities
Net income	$ 1,004	$ 47,057	$ 107,264
Adjustments to reconcile income to net cash provided by operating activities:
Depreciation and amortization, net of accretion	18,665	21,255	28,796
(Increase) decrease in cash surrender value of BOLI	(2,016)	(1,983)	(1,979)
Net realized investment (gains) losses	(59,874)	43,488	(16,409)
Share-based compensation	3,527	5,321	10,615
Deferred income tax expense (benefit)	(28,643)	(11,824)	1,693
Policy acquisition costs, net of amortization (net deferral)	(1,451)	(3,855)	(3,452)
Equity in (earnings) loss of unconsolidated subsidiaries	10,061	(8,948)	(8,033)
Distributed earnings from unconsolidated subsidiaries	25,849	31,219	24,392
Other	2,175	1,168	108
Other changes in assets and liabilities:
Premiums receivable	11,926	(23,381)	(14,605)
Reinsurance related assets and liabilities	(52,902)	4,697	(56,449)
Other assets	(13,481)	(4,206)	(792)
Reserve for losses and loss adjustment expenses	226,679	71,466	54,953
Unearned premiums	(2,125)	16,327	26,321
Other liabilities	8,772	(10,536)	20,965
Net cash provided (used) by operating activities	148,166	177,265	173,388
Purchases of:
Fixed maturities, available for sale	(695,552)	(780,698)	(614,440)
Fixed maturities, trading	(8,254)	(38,544)	0
Equity investments	(116,092)	(203,157)	(207,857)
Other investments	(28,851)	(32,153)	(50,362)
Funding of qualified affordable housing project tax credit partnerships	(357)	0	(507)
Investment in unconsolidated subsidiaries	(69,411)	(78,141)	(42,183)
Proceeds from sales or maturities of:
Fixed maturities, available for sale	568,572	914,021	932,070
Equity investments	359,727	210,481	146,356
Other investments	29,017	29,815	25,372
Return of invested capital from unconsolidated subsidiaries	42,478	84,534	32,539
Net sales or maturities (purchases) of short-term investments	(30,718)	123,886	4,167
Unsettled security transactions, net change	(6,455)	(4,022)	(2,031)
Purchases of capital assets	(9,586)	(9,636)	(10,485)
Repayments (advances) under Syndicate Credit Agreement	16,009	(184)	(10,339)
Other	(5)	(1,305)	(2,025)
Net cash provided (used) by investing activities	50,522	214,897	200,275
Financing Activities
Borrowings (repayments) under Revolving Credit Agreement	0	(123,000)	(77,000)
Proceeds (repayments) of Mortgage Loans	(1,447)	(1,396)	40,460
Dividends to shareholders	(93,204)	(316,476)	(315,228)
Capital contribution received from (return of capital to) external segregated portfolio cell participants	(5,024)	(1,005)	2,936
Other	(4,115)	(4,309)	(7,683)
Net cash provided (used) by financing activities	(103,790)	(446,186)	(356,515)
Increase (decrease) in cash and cash equivalents	94,898	(54,024)	17,148
Cash and cash equivalents at beginning of period	80,471	134,495	117,347
Cash and cash equivalents at end of period	175,369	80,471	134,495
Supplemental Disclosure of Cash Flow Information
Cash paid during the year for income taxes, net of refunds	2,748	5,726	17,193
Cash paid during the year for interest	14,294	16,165	15,892
Significant Non-Cash Transactions
Operating ROU assets obtained in exchange for operating lease liabilities	5,436	0	0
Dividends declared and not yet paid	$ 16,676	$ 43,446	$ 267,292