Investments - Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of Available-for-sale Securities
Gross unrealized gains	$ 321
Gross unrealized loss	92
Fair Value	873,786	$ 884,861
U.S. Government and Agency Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	104,530	120,260
Gross unrealized gains	5,034	749
Gross unrealized loss	44	193
Fair Value	109,520	120,816
Foreign Government
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	3,721	3,975
Gross unrealized gains	70	97
Gross unrealized loss	1	1
Fair Value	3,790	4,071
States, Municipalities and Political Subdivisions
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	126,962	131,203
Gross unrealized gains	2,885	2,611
Gross unrealized loss	38	63
Fair Value	129,809	133,751
Public Utilities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	27,125	24,660
Gross unrealized gains	479	700
Gross unrealized loss	313	26
Fair Value	27,291	25,334
Corporate Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	285,633	281,892
Gross unrealized gains	4,087	7,123
Gross unrealized loss	7,025	143
Fair Value	282,695	288,872
Mortgage-backed securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	255,523	248,206
Gross unrealized gains	8,872	4,174
Gross unrealized loss	1,541	477
Fair Value	262,854	251,903
Asset-backed Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	52,181	56,487
Gross unrealized gains	282	683
Gross unrealized loss	849	41
Fair Value	51,614	57,129
Redeemable Preferred Stocks
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	6,890	2,915
Gross unrealized gains	0	72
Gross unrealized loss	677	2
Fair Value	6,213	2,985
Fixed Maturities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	862,565	869,598
Gross unrealized gains	21,709	16,209
Gross unrealized loss	10,488	946
Fair Value	$ 873,786	$ 884,861

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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