Aggregate stated amount of common stock issued by trusts.

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

For an issue of Subordinated Debentures, maximum distribution deferral period (payments of interest).

+ References

No definition available.

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- References

No definition available.

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- References

No definition available.

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- Definition

Including the current and noncurrent portions, the carrying value of preferred securities trust that embody an unconditional obligation requiring the issuer to redeem the securities by transferring the funds at a specified or determinable date (or dates) or upon an event that is certain to occur, that are issued by a consolidated trust to outside investors where the trust uses the proceeds of the issuance of those securities to purchase, from the financial institution that established the trust on balance sheets date.

+ References

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.

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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.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

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- References

No definition available.

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SUBORDINATED DEBENTURES (Details) $ in Thousands	12 Months Ended
SUBORDINATED DEBENTURES (Details) $ in Thousands	Dec. 31, 2018 USD ($) Quarter	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
SUBORDINATED DEBENTURES [Abstract]
Trust preferred securities	$ 38,200		$ 34,500
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	$ 39,388		35,569
Summary of subordinated debentures and trust preferred securities [Abstract]
Distribution deferral period, maximum quarters \| Quarter	20
Subordinated Debentures Subject to Mandatory Redemption [Member]
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	$ 39,388		35,569
Subordinated Debentures Subject to Mandatory Redemption [Member] \| IBC Capital Finance III [Member]
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	12,372		12,372
Subordinated Debentures Subject to Mandatory Redemption [Member] \| IBC Capital Finance IV [Member]
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	15,465		15,465
Subordinated Debentures Subject to Mandatory Redemption [Member] \| Midwest Guaranty Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	7,732		7,732
Subordinated Debentures Subject to Mandatory Redemption [Member] \| TCSB Statutory Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Subordinated Debentures	5,155
Discount	(1,336)	$ 1,400
Trust Preferred Securities Subject to Mandatory Redemption [Member]
Summary of information regarding subordinated debentures [Abstract]
Trust Preferred Securities Issued	38,164		34,500
Trust Preferred Securities Subject to Mandatory Redemption [Member] \| IBC Capital Finance III [Member]
Summary of information regarding subordinated debentures [Abstract]
Trust Preferred Securities Issued	12,000		12,000
Trust Preferred Securities Subject to Mandatory Redemption [Member] \| IBC Capital Finance IV [Member]
Summary of information regarding subordinated debentures [Abstract]
Trust Preferred Securities Issued	15,000		15,000
Trust Preferred Securities Subject to Mandatory Redemption [Member] \| Midwest Guaranty Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Trust Preferred Securities Issued	7,500		7,500
Trust Preferred Securities Subject to Mandatory Redemption [Member] \| TCSB Statutory Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Trust Preferred Securities Issued	5,000
Discount	(1,336)
Common Stock Subject to Mandatory Redemption [Member]
Summary of information regarding subordinated debentures [Abstract]
Common Stock Issued	1,224		1,069
Common Stock Subject to Mandatory Redemption [Member] \| IBC Capital Finance III [Member]
Summary of information regarding subordinated debentures [Abstract]
Common Stock Issued	372		372
Common Stock Subject to Mandatory Redemption [Member] \| IBC Capital Finance IV [Member]
Summary of information regarding subordinated debentures [Abstract]
Common Stock Issued	465		465
Common Stock Subject to Mandatory Redemption [Member] \| Midwest Guaranty Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Common Stock Issued	232		$ 232
Common Stock Subject to Mandatory Redemption [Member] \| TCSB Statutory Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Common Stock Issued	155
Discount	$ 0
2018 [Member] \| IBC Capital Finance III [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	May 30, 2007
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Jul. 30, 2037
Interest Rate	3 month LIBOR plus 1.60%
First Permitted Redemption Date	Jul. 30, 2012
Interest Rate Spread	1.60%
2018 [Member] \| IBC Capital Finance IV [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	Sep. 30, 2007
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Sep. 15, 2037
Interest Rate	3 month LIBOR plus 2.85%
First Permitted Redemption Date	Sep. 15, 2012
Interest Rate Spread	2.85%
2018 [Member] \| Midwest Guaranty Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	Nov. 30, 2002
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Nov. 07, 2032
Interest Rate	3 month LIBOR plus 3.45%
First Permitted Redemption Date	Nov. 07, 2007
Interest Rate Spread	3.45%
2018 [Member] \| TCSB Statutory Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	Mar. 31, 2005
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Mar. 17, 2035
Interest Rate	3 month LIBOR plus 2.20%
First Permitted Redemption Date	Mar. 17, 2010
Interest Rate Spread	2.20%
2017 [Member] \| IBC Capital Finance III [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	May 30, 2007
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Jul. 30, 2037
Interest Rate	3 month LIBOR plus 1.60%
First Permitted Redemption Date	Jul. 30, 2012
Interest Rate Spread	1.60%
2017 [Member] \| IBC Capital Finance IV [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	Sep. 30, 2007
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Sep. 15, 2037
Interest Rate	3 month LIBOR plus 2.85%
First Permitted Redemption Date	Sep. 15, 2012
Interest Rate Spread	2.85%
2017 [Member] \| Midwest Guaranty Trust I [Member]
Summary of information regarding subordinated debentures [Abstract]
Issue Date	Nov. 30, 2002
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Nov. 07, 2032
Interest Rate	3 month LIBOR plus 3.45%
First Permitted Redemption Date	Nov. 07, 2007
Interest Rate Spread	3.45%
2017 [Member] \| TCSB Statutory Trust I [Member]
Summary of subordinated debentures and trust preferred securities [Abstract]
Maturity Date	Mar. 17, 2035
Interest Rate	3 month LIBOR plus 2.20%
First Permitted Redemption Date	Mar. 17, 2010
Interest Rate Spread	2.20%