Segment information - Selected Statement of Operations and Income (Loss) Information Related to Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 439,901	$ 398,519
Depreciation and amortization	4,231	5,990
Income (loss) before taxes and noncontrolling interests	9,270	(7,226)
Title segment
Segment Reporting Information [Line Items]
Revenues	434,440	384,437
Depreciation and amortization	3,821	5,153
Income (loss) before taxes and noncontrolling interests	14,836	(379)
Ancillary services and corporate segment
Segment Reporting Information [Line Items]
Revenues	5,461	14,082
Depreciation and amortization	410	837
Income (loss) before taxes and noncontrolling interests	$ (5,566)	$ (6,847)

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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