Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
Acquisitions (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Aug. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Acquisition goodwill					$ 8
Acquisition					12,584
Acquisition related costs			$ 100	$ 100	100	$ 300
Location, Inc
Business Acquisition [Line Items]
Remaining equity interest acquired	66.00%
Consideration transferred	$ 11,500
National Tax Search LLC
Business Acquisition [Line Items]
Consideration transferred		$ 15,000
Contingent consideration		7,500
PIRM
Business Acquisition [Line Items]
Acquisition goodwill					0
Acquisition					12,584
PIRM \| Location, Inc
Business Acquisition [Line Items]
Acquisition goodwill	12,600
Acquisition	$ 300
Ownership percentage	34.00%
Step-up gain	$ 600
PIRM \| Location, Inc \| Technology-based intangible assets
Business Acquisition [Line Items]
Intangible assets acquired	$ 6,000
Estimated average life in years	10 years
PIRM \| Location, Inc \| Client lists
Business Acquisition [Line Items]
Intangible assets acquired	$ 300
Estimated average life in years	5 years
PIRM \| Location, Inc \| Trademarks
Business Acquisition [Line Items]
Intangible assets acquired	$ 800
Estimated average life in years	8 years
PIRM \| Location, Inc \| Non-compete agreements
Business Acquisition [Line Items]
Intangible assets acquired	$ 400
Estimated average life in years	5 years
UWS
Business Acquisition [Line Items]
Acquisition goodwill					8
Acquisition					0
UWS \| National Tax Search LLC
Business Acquisition [Line Items]
Acquisition					$ 100
Contract liabilities		2,500
Goodwill deductible amount for tax purposes		5,500
UWS \| National Tax Search LLC \| Technology-based intangible assets
Business Acquisition [Line Items]
Intangible assets acquired		$ 3,300
Estimated average life in years		7 years
UWS \| National Tax Search LLC \| Client lists
Business Acquisition [Line Items]
Intangible assets acquired		$ 5,000
Estimated average life in years		10 years
UWS \| National Tax Search LLC \| Trademarks
Business Acquisition [Line Items]
Intangible assets acquired		$ 1,000
Estimated average life in years		7 years
UWS \| National Tax Search LLC \| Non-compete agreements
Business Acquisition [Line Items]
Intangible assets acquired		$ 300
Estimated average life in years		5 years