Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901

Equity-based Compensation Plans - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2016	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Plans
Aggregate Intrinsic Value - Outstanding		$ 2,300		$ 100
Actual tax benefit for the tax deductions from the exercise of stock options		300		300
Stock Options
Exercised (in shares)			0
Stock options additional information
Aggregate Intrinsic Value - Outstanding		$ 2,300		$ 100
2016 Plan \| Employees \| Maximum
Share-based Compensation Plans
Vesting period		5 years
2016 Plan \| Employees \| Minimum
Share-based Compensation Plans
Vesting period	3 years
2016 Plan \| Stock options
Share-based Compensation Plans
Number of awards available under the plan (in shares)	14,693,518
Term of awards	10 years
Aggregate Intrinsic Value - Outstanding		$ 1,950
Stock Options
Outstanding at December 31, 2019 (in shares)		745
Exercised (in shares)		(213)
Forfeited (in shares)		(62)
Outstanding at December 31, 2020 (in shares)		470	745
Options exercisable at December 31, 2020 (in shares)		470
Weighted Average Exercise Price
Outstanding at December 31, 2019 (per share)		$ 21.86
Exercised (per share)		21.73
Forfeited (per share)		22.00
Outstanding at December 31, 2020 (per share)		21.90	$ 21.86
Options exercisable at December 31, 2020 (per share)		$ 21.90
Stock options additional information
Aggregate Intrinsic Value - Outstanding		$ 1,950
Aggregate Intrinsic Value - Exercisable		$ 1,950
Weighted Average Remaining Contractual Life - Outstanding (in years)		5 years 8 months 12 days
Weighted Average Remaining Contractual Life - Exercisable (in years)		5 years 8 months 12 days
2016 Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Plans
Unrecognized compensation costs recognition period (in years)		3 years 10 months 24 days
2016 Plan \| Restricted Stock Units (RSUs) \| Non-employee Directors \| Maximum
Share-based Compensation Plans
Vesting period		3 years
2016 Plan \| Restricted Stock Units (RSUs) \| Non-employee Directors \| Minimum
Share-based Compensation Plans
Vesting period		1 year