Fair Value (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value [Abstract]

Fair Value Measurements by Level for Assets Measured at Fair Value on Recurring Basis

The following tables summarize fair value measurements by level for assets measured at fair value on a recurring basis:

As of December 31, 2019:

Description	Total		Level 1		Level 2		Level 3
Fixed income securities:
Agency collateralized mortgage obligations	$	12,093	$	–	$	12,093	$	–
Agency mortgage-backed securities		56,280		–		56,280		–
Asset-backed securities		106,397		–		106,397		–
Bank loans		14,568		–		14,568		–
Certificates of deposit		2,835		2,835		–		–
Collateralized mortgage obligations		5,616		–		5,616		–
Corporate securities		276,087		–		276,087		–
Options embedded in convertible securities		5,294		–		5,294		–
Mortgage-backed securities		47,463		–		47,463		–
Municipal obligations		36,286		–		36,286		–
Non-U.S. government obligations		24,179		–		24,179		–
U.S. government obligations		208,440		–		208,440		–
Total fixed income securities		795,538		2,835		792,703		–
Equity securities:
Consumer		16,707		16,707		–		–
Energy		3,074		3,074		–		–
Financial		31,577		31,577		–		–
Industrial		4,927		4,927		–		–
Technology		2,817		2,817		–		–
Funds (e.g., mutual funds, closed end funds, ETFs)		9,460		9,460		–		–
Other		8,250		8,250		–		–
Total equity securities		76,812		76,812		–		–
Short-term		1,000		1,000		–		–
Cash equivalents		59,780		–		59,780		–
Total	$	933,130	$	80,647	$	852,483	$	–

As of December 31, 2018:

Description	Total		Level 1		Level 2		Level 3
Fixed income securities:
Agency collateralized mortgage obligations	$	10,687	$	–	$	10,687	$	–
Agency mortgage-backed securities		37,385		–		37,385		–
Asset-backed securities		64,422		–		64,422		–
Bank loans		9,750		–		9,750		–
Certificates of deposit		2,835		2,835		–		–
Collateralized mortgage obligations		5,423		–		5,423		–
Corporate securities		186,651		–		186,651		–
Options embedded in convertible securities		3,799		–		3,799		–
Mortgage-backed securities		38,540		–		38,540		–
Municipal obligations		29,155		–		29,155		–
Non-U.S. government obligations		25,180		–		25,180		–
U.S. government obligations		178,818		–		178,818		–
Total fixed income securities		592,645		2,835		589,810		–
Equity securities:
Consumer		17,945		17,945		–		–
Energy		3,179		3,179		–		–
Financial		25,253		25,253		–		–
Industrial		6,920		6,920		–		–
Technology		2,303		2,303		–		–
Funds (e.g., mutual funds, closed end funds, ETFs)		5,489		5,489		—		–
Other		5,333		5,333		–		–
Total equity securities		66,422		66,422		—		–
Short-term		1,000		1,000		–		–
Cash equivalents		156,855		–		156,855		–
Total	$	816,922	$	70,257	$	746,665	$	–

Carrying Value and Fair Value by Level of Financial Instruments

A summary of the carrying value and fair value by level of financial instruments not recorded at fair value on the Company's consolidated balance sheets at December 31, 2019 and 2018 is as follows:

2019:	Carrying Value		Fair Value
			Level 1			Level 2		Level 3		Total
Assets:
Limited partnerships	$	23,292		$	–	$	–	$	23,292	$	23,292
Commercial mortgage loans		11,782			–		–		12,068		12,068
Liabilities:
Short-term borrowings		20,000			–		20,000		–		20,000
2018:
Assets:
Limited partnerships	$	55,044		$	–	$	–	$	55,044	$	55,044
Commercial mortgage loans		6,672			–		–		6,672		6,672
Liabilities:
Short-term borrowings		20,000			–		20,000		–		20,000