Segment Information (Schedule of Business Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues [Abstract]
Revenues	$ 85,672	$ 112,053
Pre-tax (loss) income [Abstract]
Pre-tax (loss) income	(4,119)	11,227
Specialty Commercial Segment [Member]
Revenues [Abstract]
Revenues	51,911	69,599
Pre-tax (loss) income [Abstract]
Pre-tax (loss) income	2,565	11,348
Standard Commercial Segment [Member]
Revenues [Abstract]
Revenues	17,128	17,688
Pre-tax (loss) income [Abstract]
Pre-tax (loss) income	(692)	366
Personal Segment [Member]
Revenues [Abstract]
Revenues	16,819	18,959
Pre-tax (loss) income [Abstract]
Pre-tax (loss) income	(1,026)	(1,623)
Corporate [Member]
Revenues [Abstract]
Revenues	(186)	5,807
Pre-tax (loss) income [Abstract]
Pre-tax (loss) income	$ (4,966)	$ 1,136