Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available-for-sale securities, amortized cost	$ 1,742,282	$ 1,720,291
Available-for-sale securities, allowance for credit losses	174	5
Equity securities, cost	48,996	49,085
Allowance for doubtful accounts	699	687
Property and equipment accumulated depreciation	56,595	55,141
Reinsurance receivables and recoverables, allowance for credit losses	$ 233	$ 190
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)	25,119,855	25,055,479
Common stock, shares outstanding (in shares)	25,119,855	25,055,479
Fixed maturities
Available-for-sale securities, amortized cost	$ 1,741,481	$ 1,720,291
Available-for-sale securities, allowance for credit losses	174	5
Short-Term Investments
Available-for-sale securities, amortized cost	801	$ 175
Available-for-sale securities, allowance for credit losses	$ 0