Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net (loss) income	$ (85,613)	$ 33,341
Adjustments to reconcile net (loss) income to cash (used in) provided by operating activities:
Depreciation and amortization expense	4,257	4,001
Deferred federal income taxes (benefit) expense	(5,597)	2,596
Investment losses (gains), net	27,899	(17,412)
Share-based payments (benefit) expense	(416)	514
Impairment of goodwill and other intangibles	45,996
Change in ceded unearned premiums	20,146	(31,015)
Change in premiums receivable	35,921	(20,802)
Change in accounts receivable	(908)	(27)
Change in deferred policy acquisition costs	629	(7,613)
Change in reserves for unpaid losses and loss adjustment expenses	135,536	38,049
Change in unearned premiums	(37,632)	82,005
Change in reinsurance recoverable	(189,006)	(61,523)
Change in reinsurance balances payable	8,072	(5,529)
Change in federal income tax (recoverable) payable	(10,753)	676
Change in all other liabilities	(15,499)	677
Change in all other assets	4,073	4,962
Net cash (used in) provided by operating activities	(62,895)	22,900
Cash flows from investing activities:
Purchases of property and equipment	(1,277)	(3,688)
Purchases of investment securities	(160,410)	(184,689)
Maturities, sales and redemptions of investment securities	373,988	171,587
Net cash provided by (used in) investing activities	212,301	(16,790)
Cash flows from financing activities:
Proceeds from exercise of employee stock options		1,520
Payment of revolving credit facility		(30,000)
Payment of debt issuance costs		(979)
Proceeds from senior unsecured note offering		50,000
Purchase of treasury shares		(1,380)
Net cash provided by financing activities		19,161
Increase in cash and cash equivalents and restricted cash	149,406	25,271
Cash and cash equivalents and restricted cash at beginning of period	54,948	40,471
Cash and cash equivalents and restricted cash at end of period	$ 204,354	$ 65,742