Annual report pursuant to Section 13 and 15(d)

Uncategorized Items - lts-20191231.xml

v3.20.1
Label Element Value
Noncontrolling Interest [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption $ 11,000
Retained Earnings [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption 24,774,000
Accounting Standards Update 2016-09 [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption 13,000
Accounting Standards Update 2016-09 [Member] | Retained Earnings [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption (50,000)
Accounting Standards Update 2016-09 [Member] | Additional Paid-in Capital [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption $ 63,000