Credit Facility (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	May 11, 2020
Letters of Credit [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 75,000,000
Line of Credit Facility, Commitment Fee Percentage	0.30%
Line of Credit Facility, Commitment Fee Amount	$ 25,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 700,000
Debt Instrument, Covenant Description	50% of the Company’s aggregate net income thereafter
Line of Credit Facility, Covenant Terms	a debt to total capitalization ratio of no more than 35%
FHLB advances	$ 0	$ 20,000,000.0		$ 35,000,000
Line of Credit Facility, Periodic Payment, Interest	300,000
Proceeds from Lines of Credit	27,000,000.0	$ 0	$ 0
Proceeds from (Repayments of) Lines of Credit	$ 27,000,000
Minimum [Member]
Letters of Credit [Line Items]
Line of Credit Facility, Interest Rate at Period End	0.25%
Line of Credit Facility, Commitment Fee Percentage	0.20%
Debt Instrument, Interest Rate, Stated Percentage	1.25%
Debt Instrument, Covenant Description	a minimum consolidated net worth of no less than 70% of the Company’s stockholders’ equity as of September 30, 2020
Maximum [Member]
Letters of Credit [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 125,000,000
Line of Credit Facility, Interest Rate at Period End	1.25%
Line of Credit Facility, Commitment Fee Percentage	0.50%
Line of Credit Facility, Commitment Fee Amount	$ 225,000
Debt Instrument, Interest Rate, Stated Percentage	2.25%