Name:	tl_AuthorizedControlLevel
Namespace Prefix:	tl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the minimum dividend as percentage of insurers' surplus as regards to policyholders, to consider dividend as extraordinary.

No definition available.

Name:	tl_MinimumDividendDistributionAsPercentageOfInsurersSurplusToConsiderDividendExtraordinary
Namespace Prefix:	tl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the amount of extraordinary dividend declared and paid.

No definition available.

Name:	tl_PaymentsOfDividendsExtraordinary
Namespace Prefix:	tl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the risk based capital ratio requirement under Authorized Control Level.

No definition available.

Name:	tl_RiskBasedCapitalRatioRequirementAuthorizedControlLevel
Namespace Prefix:	tl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the risk based capital ratio requirement under Company Action Level.

No definition available.

Name:	tl_RiskBasedCapitalRatioRequirementCompanyActionLevel
Namespace Prefix:	tl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Total statutory capital and surplus adjusted to exclude certain statutory liabilities.

No definition available.

Name:	tl_TotalAdjustedCapital
Namespace Prefix:	tl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

Name:	us-gaap_PaymentsOfCapitalDistribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

Name:	us-gaap_PaymentsOfDividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_StatutoryAccountingPracticesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of dividends that can be declared or paid without approval of regulatory agency.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690