Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Subsequent Events (Details) - USD ($)	Feb. 14, 2020	Dec. 31, 2019
Term Loan Facility
Subsequent Event [Line Items]
Aggregate amount of debt		$ 265,000,000.0
Amended Credit Agreement \| Revolving Credit Facility \| Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 150,000,000
Amended Credit Agreement \| Term Loan Facility \| Subsequent Event
Subsequent Event [Line Items]
Aggregate amount of debt	$ 537,000,000