Policy Liabilities and Short Duration Contracts Policy Liabilities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) claim	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Insurance [Abstract]
Policy claims payable at January 1	$ 13,206	$ 8,059	$ 7,614
Reinsurance Recoverables, Including Reinsurance Premium Paid	2,469	3,012	796	$ 511
Net balance policy claims payable at January 1	10,194	7,263	7,103
Claims incurred related to current year	32,595	38,400	26,816
Claims incurred related to prior years	1,052	195	543
Total claims incurred	33,647	38,595	27,359
Claims paid related to current year	23,369	29,767	20,629
Claims paid related to prior years	8,351	5,897	6,570
Total claims paid	31,720	35,664	27,199
Net balance policy claims payable at December 31	12,121	10,194	7,263
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	8,771
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	8,798
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	1,049	957
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	1,049	957
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments	2,469	3,012
Short-duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item	11,072	9,237
Policy claims payable	14,590	13,206	8,059	7,614
Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented	0
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	796	743
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	796	743
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments	$ 2,083	2,955
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	93.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	11.54%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	0.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	0.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	0.00%
Short-Duration Insurance, Other
Claims Development [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	$ 253	214
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	253	214
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments	386	57
Short-duration Insurance Contracts, Accident Year 2017 [Member] | Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	1,417	1,407	1,406	1,451	$ 1,507
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 0
Short-duration Insurance Contract, Cumulative Number of Reported Claims | claim	664
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	$ 1,661	1,661	1,661	1,652	$ 1,359
Short-duration Insurance Contracts, Accident Year 2018 [Member] | Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	1,436	1,432	1,427	1,542
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 0
Short-duration Insurance Contract, Cumulative Number of Reported Claims | claim	496
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	$ 1,623	1,623	1,618	$ 1,507
Short-Duration Insurance Contract, Accident Year 2019 [Member] | Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	1,161	1,150	1,549
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 4
Short-duration Insurance Contract, Cumulative Number of Reported Claims | claim	588
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	$ 1,274	1,254	$ 1,328
Short-Duration Insurance Contract, Accident Year 2020 [Member] | Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	2,670	2,598
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 5
Short-duration Insurance Contract, Cumulative Number of Reported Claims | claim	2,290
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	$ 2,798	$ 2,154
Short-Duration Insurance Contract, Accident Year 2021 | Property Insurance
Claims Development [Line Items]
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net	2,087
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net	$ 561
Short-duration Insurance Contract, Cumulative Number of Reported Claims | claim	1,875
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net	$ 1,442