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Income Taxes - Effective Tax Rate - Tabular Disclosure (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount
Expense computed at federal tax rate	$ 14,186	$ 11,999	$ 1,321
Stock-based compensation	153	(1,067)	(1,538)
Dividend received deduction and tax-exempt interest	(101)	(81)	(67)
Valuation allowance	191	2,199	606
Other	952	(1,759)	(356)
Income tax expense (benefit)	$ 15,381	$ 11,291	$ (34)
Effective Income Tax Rate Reconciliation, Percent
Expense computed at federal tax rate	21.00%	21.00%	21.00%
Stock-based compensation	0.23%	(1.87%)	(24.44%)
Dividend received deduction and tax-exempt interest	(0.15%)	(0.14%)	(1.06%)
Valuation allowance	0.28%	3.85%	9.63%
Other	1.41%	(3.08%)	(5.67%)
Income tax expense (benefit)	22.77%	19.76%	(0.54%)

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend and tax exempt interest.

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