Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 17,339	$ 17,331
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	350	294
Net amortization of investments	1,091	2,068
Change in investment related allowance for credit losses	(19)	95
Deferred income taxes	(19)	364
Net realized gains on investments	(258)	(738)
Net unrealized gains on equity securities	(1,369)	(1,040)
Share-based compensation	216	(9)
Changes in operating assets and liabilities:
Premiums receivable, net	(15,338)	(5,501)
Accrued interest receivable	(210)	(869)
Deferred policy acquisition costs	(1,228)	(818)
Other assets	320	(4,714)
Reserves for loss and loss adjustment expenses	(9,385)	(16,720)
Unearned premiums	9,127	7,676
Reinsurance balances	7,249	4,281
Amounts held for others and policyholder deposits	759	420
Federal income taxes payable/recoverable	3,987	3,441
Accounts payable and other liabilities	854	1,557
Net cash provided by operating activities	13,466	7,118
Investing activities
Purchases of investments held-to-maturity	(2,638)	(13,665)
Purchases of investments available-for-sale	(27,243)	(30,076)
Purchases of equity securities		(4,975)
Purchases of short-term investments	(21,358)	(24,133)
Proceeds from maturities of investments held-to-maturity	10,932	12,723
Proceeds from sales and maturities of investments available-for-sale	8,705	11,638
Proceeds from sales of equity securities	262	1,483
Proceeds from sales and maturities of short-term investments	4,175	8,218
Purchases of property and equipment	(32)	(258)
Net cash used in investing activities	(27,197)	(39,045)
Financing activities
Finance lease purchases	(23)	(12)
Purchase of treasury stock		(2,059)
Dividends to shareholders	(6,505)	(5,983)
Net cash used in financing activities	(6,528)	(8,054)
Change in cash and cash equivalents	(20,259)	(39,981)
Cash and cash equivalents at beginning of period	61,469	70,722
Cash and cash equivalents at end of period	$ 41,210	$ 30,741