Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Equity securities, cost	$ 67,295	$ 49,085
Allowance for doubtful accounts	779	687
Property and equipment accumulated depreciation	57,967	55,141
Reinsurance receivables and recoverables, allowance for credit losses	$ 126	$ 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)	25,117,340	25,055,479
Common stock, shares outstanding (in shares)	25,117,340	25,055,479
Fixed maturities
Cost or Amortized Cost	$ 1,697,219	$ 1,720,291
Allowance for Credit Losses	170	5
Short-Term Investments
Cost or Amortized Cost	800	$ 175
Allowance for Credit Losses	$ 0