Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities
Net income	$ 32,966	$ 23,463
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	699	602
Net amortization of investments	1,872	3,896
Change in investment related allowance for credit losses	(35)	81
Deferred income taxes	(1,102)	(1,586)
Net realized gains on investments	(333)	(1,817)
Net unrealized (gains) losses on equity securities	(3,417)	8,902
Net realized losses on disposal of assets	2
Share-based compensation	646	841
Changes in operating assets and liabilities:
Premiums receivable, net	(18,666)	(8,207)
Accrued interest receivable	41	(148)
Deferred policy acquisition costs	(1,526)	(1,044)
Other assets	(180)	(1,500)
Reserves for loss and loss adjustment expenses	(11,424)	(20,387)
Unearned premiums	11,268	9,132
Reinsurance balances	2,585	2,294
Amounts held for others and policyholder deposits	2,750	1,446
Federal income taxes payable/recoverable	3,754	6,125
Accounts payable and other liabilities	843	2,895
Net cash provided by operating activities	20,743	24,988
Investing activities
Purchases of investments held-to-maturity	(9,596)	(27,403)
Purchases of investments available-for-sale	(38,107)	(52,675)
Purchases of equity securities		(7,261)
Purchases of short-term investments	(46,347)	(25,327)
Proceeds from maturities of investments held-to-maturity	24,488	33,567
Proceeds from sales and maturities of investments available-for-sale	20,818	36,056
Proceeds from sales of equity securities	262	3,877
Proceeds from sales and maturities of short-term investments	14,175	47,545
Purchases of property and equipment	(37)	(1,032)
Net cash provided by (used in) investing activities	(34,344)	7,347
Financing activities
Finance lease purchases	(47)	(23)
Share-based compensation related tax withholding	(779)
Purchase of treasury stock		(5,701)
Dividends to shareholders	(13,120)	(12,015)
Net cash used in financing activities	(13,946)	(17,739)
Change in cash and cash equivalents	(27,547)	14,596
Cash and cash equivalents at beginning of period	61,469	70,722
Cash and cash equivalents at end of period	$ 33,922	$ 85,318