Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net income	$ 42,927	$ 34,824
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,072	953
Net amortization of investments	2,380	5,380
Change in investment related allowance for credit losses	(51)	60
Deferred income taxes	(1,152)	(2,937)
Net realized gains on investments	(5,466)	(2,402)
Net unrealized losses on equity securities	3,892	12,984
Net realized (gains) losses on disposal of assets	2	(2)
Share-based compensation	1,116	1,512
Changes in operating assets and liabilities:
Premiums receivable, net	(18,751)	(1,912)
Accrued interest receivable	(120)	(692)
Deferred policy acquisition costs	(1,395)	(1,216)
Other assets	(353)	(1,470)
Reserves for loss and loss adjustment expenses	(11,689)	(29,082)
Unearned premiums	11,362	7,001
Reinsurance balances	(2,181)	2,809
Amounts held for others and policyholder deposits	1,321	2,236
Federal income taxes recoverable	907	4,260
Accounts payable and other liabilities	2,054	3,760
Net cash provided by operating activities	25,875	36,066
Investing activities
Purchases of investments held-to-maturity	(31,791)	(32,152)
Purchases of investments available-for-sale	(45,141)	(91,276)
Purchases of equity securities		(10,763)
Purchases of short-term investments	(46,347)	(59,155)
Proceeds from maturities of investments held-to-maturity	36,020	59,884
Proceeds from sales and maturities of investments available-for-sale	51,542	63,706
Proceeds from sales of equity securities	8,679	7,005
Proceeds from sales and maturities of short-term investments	20,175	79,014
Purchases of property and equipment	(527)	(1,872)
Net cash provided by (used in) investing activities	(7,390)	14,391
Financing activities
Finance lease purchases	(71)	(35)
Share-based compensation related tax withholding	(944)
Purchase of treasury stock		(12,236)
Dividends to shareholders	(19,690)	(17,956)
Net cash used in financing activities	(20,705)	(30,227)
Change in cash and cash equivalents	(2,220)	20,230
Cash and cash equivalents at beginning of period	61,469	70,722
Cash and cash equivalents at end of period	$ 59,249	$ 90,952