Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Summary of Financial Data by Segment

Financial data by segment for the three and six months ended June 30, 2021 and 2020 is as follows:​​​​​​​

	Three Months Ended June 30,
	2021		2020
	(in thousands)
Revenues:
Premiums earned:
Commercial lines	$	115,300	$	101,870
Personal lines		77,189		82,504
GAAP premiums earned		192,489		184,374
Net investment income		7,652		7,172
Investment gains		4,241		6,486
Other		764		868
Total revenues	$	205,146	$	198,900
Income before income tax expense:
Underwriting income:
Commercial lines	$	1,767	$	4,472
Personal lines		547		8,290
SAP underwriting income		2,314		12,762
GAAP adjustments		5,256		1,378
GAAP underwriting income		7,570		14,140
Net investment income		7,652		7,172
Investment gains		4,241		6,486
Other		234		190
Income before income tax expense	$	19,697	$	27,988

	Six Months Ended June 30,
	2021			2020
	(in thousands)
Revenues:
Premiums earned:
Commercial lines	$	224,525		$	203,645
Personal lines		155,215			167,982
GAAP premiums earned		379,740			371,627
Net investment income		15,163			14,548
Investment gains (losses)		6,710			(4,209	)
Other		1,503			1,845
Total revenues	$	403,116		$	383,811
Income before income tax expense:
Underwriting (loss) income:
Commercial lines	$	(6,475	)	$	3,906
Personal lines		5,584			13,101
SAP underwriting (loss) income		(891	)		17,007
GAAP adjustments		11,238			2,762
GAAP underwriting income		10,347			19,769
Net investment income		15,163			14,548
Investment gains (losses)		6,710			(4,209	)
Other		228			383
Income before income tax expense	$	32,448		$	30,491