Losses and Loss Adjustment Expenses - Schedule of Incurred and Paid Loss Development Information (Details)	Dec. 31, 2019 USD ($) Claim	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 165,991,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	110,804,000
All outstanding liabilities before 2010, net of reinsurance	906,000
Liability for losses and loss adjustment expenses, net of reinsurance	56,092,840
Accident Year 2010 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	10,836,000	$ 10,533,000	$ 11,288,000	$ 10,774,000	$ 11,901,000	$ 12,665,000	$ 14,490,000	$ 15,710,000	$ 15,072,000	$ 18,592,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	43,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 10,166,000	9,921,000	9,621,000	8,328,000	7,774,000	6,883,000	6,312,000	4,162,000	1,721,000	$ 464,000
Cumulative Number of Reported Claims | Claim	160
Accident Year 2011 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 21,028,000	20,586,000	21,329,000	21,030,000	21,079,000	21,175,000	18,591,000	18,783,000	19,524,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	55,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 20,641,000	19,773,000	18,870,000	17,774,000	16,911,000	12,117,000	5,047,000	1,888,000	$ 578,000
Cumulative Number of Reported Claims | Claim	205
Accident Year 2012 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 21,124,000	19,592,000	19,744,000	18,478,000	19,107,000	18,813,000	18,496,000	20,305,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	280,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 19,672,000	17,805,000	17,365,000	14,376,000	9,772,000	5,637,000	2,621,000	$ 1,002,000
Cumulative Number of Reported Claims | Claim	196
Accident Year 2013 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 12,349,000	12,022,000	11,447,000	13,224,000	15,219,000	16,879,000	17,753,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	231,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 10,962,000	9,470,000	7,625,000	6,942,000	4,249,000	1,896,000	$ 526,000
Cumulative Number of Reported Claims | Claim	157
Accident Year 2014 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 11,606,000	11,062,000	11,087,000	13,798,000	15,108,000	17,307,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	332,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 9,717,000	7,780,000	6,448,000	4,069,000	1,676,000	$ 417,000
Cumulative Number of Reported Claims | Claim	132
Accident Year 2015 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 15,830,000	16,373,000	16,494,000	17,785,000	19,999,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	900,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 11,758,000	7,446,000	5,186,000	2,476,000	$ 523,000
Cumulative Number of Reported Claims | Claim	132
Accident Year 2016 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 22,528,000	21,376,000	18,861,000	18,465,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	2,208,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 13,320,000	9,691,000	3,818,000	$ 944,000
Cumulative Number of Reported Claims | Claim	181
Accident Year 2017 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 18,262,000	19,143,000	16,588,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	4,167,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 8,360,000	5,057,000	$ 728,000
Cumulative Number of Reported Claims | Claim	150
Accident Year 2018 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 16,990,000	15,161,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	5,911,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 4,873,000	$ 499,000
Cumulative Number of Reported Claims | Claim	135
Accident Year 2019 [Member]
Claims Development [Line Items]
Incurred Losses and Loss Adjustment Expenses, Net of Reinsurance	$ 15,438,000
Total of Incurred-But-Not-Reported Liabilities Plus Expected Development on Reported Claims	10,492,000
Cumulative Losses and Loss Adjustment Expenses Paid, Net of Reinsurance	$ 1,335,000
Cumulative Number of Reported Claims | Claim	94