Investments - Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities
Gross unrealized gains	$ 779
Gross unrealized loss	0
Fair Value	921,212	$ 862,345
Equity securities, fair value	104,629	80,978
U.S. Government and Agency Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	114,446	100,240
Gross unrealized gains	1,168	50
Gross unrealized loss	201	1,315
Fair Value	115,413	98,975
Foreign Government
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	3,980	3,993
Gross unrealized gains	93	5
Gross unrealized loss	1	16
Fair Value	4,072	3,982
States, Municipalities and Political Subdivisions
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	134,605	145,415
Gross unrealized gains	2,892	354
Gross unrealized loss	50	1,301
Fair Value	137,447	144,468
Public Utilities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	29,394	24,560
Gross unrealized gains	763	11
Gross unrealized loss	29	681
Fair Value	30,128	23,890
Corporate Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	289,456	307,875
Gross unrealized gains	7,155	272
Gross unrealized loss	118	6,159
Fair Value	296,493	301,988
Mortgage-backed securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	269,252	227,004
Gross unrealized gains	6,245	333
Gross unrealized loss	243	3,483
Fair Value	275,254	223,854
Asset-backed Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	59,459	64,071
Gross unrealized gains	849	105
Gross unrealized loss	21	139
Fair Value	60,287	64,037
Redeemable Preferred Stocks
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	2,120	1,287
Gross unrealized gains	46	3
Gross unrealized loss	48	139
Fair Value	2,118	1,151
Fixed Maturities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	902,712	874,445
Gross unrealized gains	19,211	1,133
Gross unrealized loss	711	13,233
Fair Value	921,212	862,345
Public Utilities
Schedule of Available-for-sale Securities
Equity securities, fair value	$ 2,917	$ 1,759

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=118939692&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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