Goodwill and Intangible Assets - Summary of Changes in Goodwill and Intangible Assets With Indefinite Lives (Details) - Indefinite-lived Intangible Assets [Member] $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 59,713
Balance at end of period	146,861
LiquidityEdge LLC [Member]
Goodwill [Line Items]
Goodwill from acquisition	$ 87,148

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Name:	us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration