Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating activities
Net income (loss)	$ 4,463	$ 7,347	$ (34,075)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Change in accounts receivable and unearned premium	(9,024)	(3,835)	(3,904)
Change in accrued investment income	65	(524)	(199)
Change in reinsurance recoverable on paid losses	(3,799)	(19,083)	956
Change in losses and loss expenses reserves, net of reinsurance	75,103	100,648	117,027
Change in other assets, other liabilities and current income taxes	(2,322)	10,140	8,204
Amortization of net policy acquisition costs	55,183	55,802	54,981
Net policy acquisition costs deferred	(56,431)	(57,731)	(55,940)
Provision for deferred income tax expense (benefit)	(5,244)	(51)	(18,794)
Bond amortization	(26)	(725)	184
Depreciation	5,869	6,052	6,102
Net realized and unrealized (gains) losses on investments	9,236	(12,889)	25,691
Compensation expense related to restricted stock	1,789	1,529	475
Net cash provided by operating activities	74,862	86,680	100,708
Investing activities
Purchases of fixed income securities and equity securities	(392,223)	(423,544)	(415,326)
Purchases of limited partnership interests	0	0	(450)
Distributions from limited partnerships	14,636	33,396	6,869
Proceeds from maturities	136,390	84,387	64,035
Proceeds from sales of fixed income securities	103,938	139,310	241,429
Proceeds from sales of equity securities	51,713	21,621	149,195
Purchase of insurance company-owned life insurance	0	0	(10,000)
Purchase of commercial mortgage loans	(555)	(7,082)	(6,672)
Proceeds from commercial mortgage loans	1,539	1,972	0
Purchases of property and equipment	(1,470)	(1,953)	(5,439)
Proceeds from disposals of property and equipment	0	3	10
Net cash provided by (used in) investing activities	(86,032)	(151,890)	23,651
Financing activities
Dividends paid to shareholders	(5,692)	(5,857)	(16,835)
Repurchase of common shares	(1,782)	(11,501)	(4,596)
Net cash used in financing activities	(7,474)	(17,358)	(21,431)
Effect of foreign exchange rates on cash and cash equivalents	185	645	(830)
Increase (decrease) in cash, cash equivalents and restricted cash and cash equivalents	(18,459)	(81,923)	102,098
Cash, cash equivalents and restricted cash and cash equivalents at beginning of year	88,888	170,811	68,713
Cash, cash equivalents and restricted cash and cash equivalents at end of year	70,429	88,888	170,811
Supplemental Disclosures of Cash Flow Information
Cash paid (refunds received) for income taxes	1,500	(1,186)	9,500
Cash paid for interest	$ 433	$ 723	$ 504