Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Available-for-sale, amortized cost	$ 1,997,276	$ 1,961,531
Allowance for mortgage loan losses	41	45
Allowance for doubtful accounts	1,276	1,604
Property and equipment accumulated depreciation	78,138	75,866
Reinsurance receivables, allowance for credit losses	$ 109	$ 103
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	75,000,000	75,000,000
Common stock, shares issued (in shares)	25,446,516	25,378,291
Common stock, shares outstanding (in shares)	25,446,516	25,378,291