Segment Information (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Mar. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
PIRM
Segment Reporting Information [Line Items]
Segment reporting intercompany revenue	$ 1,800	$ 1,500
Segment reporting intercompany expense	800	758
UWS
Segment Reporting Information [Line Items]
Segment reporting intercompany revenue	800	800
Segment reporting intercompany expense	$ 1,800	$ 1,500