Investments - Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities
Gross unrealized gains	$ 775
Gross unrealized loss	0
Fair Value	864,389	$ 862,345
Equity securities, fair value	98,588	80,978
U.S. Government and Agency Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	117,728	100,240
Gross unrealized gains	648	50
Gross unrealized loss	368	1,315
Fair Value	118,008	98,975
Foreign Government
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	3,984	3,993
Gross unrealized gains	84	5
Gross unrealized loss	2	16
Fair Value	4,066	3,982
States, Municipalities and Political Subdivisions
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	134,428	145,415
Gross unrealized gains	2,393	354
Gross unrealized loss	98	1,301
Fair Value	136,723	144,468
Public Utilities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	24,394	24,560
Gross unrealized gains	472	11
Gross unrealized loss	62	681
Fair Value	24,804	23,890
Corporate Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	280,304	307,875
Gross unrealized gains	5,076	272
Gross unrealized loss	242	6,159
Fair Value	285,138	301,988
Mortgage-backed securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	238,472	227,004
Gross unrealized gains	4,354	333
Gross unrealized loss	576	3,483
Fair Value	242,250	223,854
Asset-backed Securities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	51,088	64,071
Gross unrealized gains	568	105
Gross unrealized loss	15	139
Fair Value	51,641	64,037
Redeemable Preferred Stocks
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	1,854	1,287
Gross unrealized gains	12	3
Gross unrealized loss	107	139
Fair Value	1,759	1,151
Fixed Maturities
Schedule of Available-for-sale Securities
Cost or adjusted/amortized cost	852,252	874,445
Gross unrealized gains	13,607	1,133
Gross unrealized loss	1,470	13,233
Fair Value	864,389	862,345
Public Utilities
Schedule of Available-for-sale Securities
Equity securities, fair value	$ 2,730	$ 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
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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