Date when the debt interest rate switches from fixed to floating.

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

+ Details

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- Definition

The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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Balance Type:	debit
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- Definition

Stated interest rate of the subordinated debt.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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Subordinated Debt Securities (Narrative) (Details) - USD ($) $ in Millions						12 Months Ended
	Jun. 16, 2015	Aug. 23, 2007	Jul. 21, 2005	Jun. 21, 2005	Jun. 21, 2005	Dec. 31, 2018
Hallmark Statutory Trust I [Member]
Subordinated Borrowing [Line Items]
Long-term debt, gross				$ 30.9	$ 30.9
Proceeds from issuance of trust preferred securities					30.0
Hallmark Statutory Trust I [Member] \| Subordinated Debt Due In 2035 Member
Subordinated Borrowing [Line Items]
Long-term debt, gross				30.9	30.9	$ 30.9
Proceeds from issuance of trust preferred securities				$ 30.0
Proceeds from issuance of common stock					$ 0.9
Subordinated borrowing, interest rate			7.725%			6.04%
Debt instrument interest rate fixed to floating date					Jun. 15, 2015
Debt Instrument, Maturity Date					Jun. 15, 2015
Debt instrument, description of variable rate basis						interest adjusts quarterly to the three-month LIBOR rate plus 3.25 percentage points
Hallmark Statutory Trust I I [Member]
Subordinated Borrowing [Line Items]
Long-term debt, gross		$ 25.8
Proceeds from issuance of trust preferred securities		25.0
Hallmark Statutory Trust I I [Member] \| Subordinated Debt Due In 2037 Member
Subordinated Borrowing [Line Items]
Long-term debt, gross		25.8				$ 25.8
Proceeds from issuance of trust preferred securities		25.0
Proceeds from issuance of common stock		$ 0.8
Subordinated borrowing, interest rate		8.28%				5.69%
Debt instrument interest rate fixed to floating date		Sep. 15, 2017
Debt Instrument, Maturity Date		Sep. 15, 2037
Debt instrument, description of variable rate basis						three-month LIBOR rate plus 2.90 percentage points
London Interbank Offered Rate (LIBOR) [Member] \| Hallmark Statutory Trust I [Member] \| Subordinated Debt Due In 2035 Member
Subordinated Borrowing [Line Items]
Debt instrument, basis spread on variable rate	3.25%
London Interbank Offered Rate (LIBOR) [Member] \| Hallmark Statutory Trust I I [Member] \| Subordinated Debt Due In 2037 Member
Subordinated Borrowing [Line Items]
Subordinated borrowing, interest rate						2.90%