Commitments And Contingencies [Line Items]

No definition available.

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- Definition

Period (in number of years) where the unfunded commitments (future commitments not funded at time of closing) related to our outstanding loans will expire.

+ References

No definition available.

+ Details

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- Definition

Number of loans in portfolio that contain unfunded commitment balances.

+ References

No definition available.

+ Details

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- Definition

Number Of Directors

+ References

No definition available.

+ Details

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- Definition

Number Of Directors Eligible For Annual Compensation

+ References

No definition available.

+ Details

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- Definition

Number of equal quarterly installments.

+ References

No definition available.

+ Details

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- Definition

The percentage of Directors' compensation paid in the form of deferred stock units.

+ References

No definition available.

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- Definition

The percentage of Directors' compensation paid in cash.

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No definition available.

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- Definition

Unfunded Commitments Related To Loans Receivable

+ References

No definition available.

+ Details

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- Definition

The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

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Period Type:	instant

- Definition

Noninterest expense related to directors' fees which are fees paid by an Entity to its directors. Directors' fees may be paid in addition to salary and other benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Details

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Commitments and Contingencies - Additional Information (Detail)		9 Months Ended
	Sep. 30, 2016 USD ($) Loans Directors	Sep. 30, 2016 USD ($) Loans Installments	Dec. 31, 2015 USD ($)
Commitments And Contingencies [Line Items]
Commitments expiration period		3 years
Number of loans receivable \| Loans	58	58
Percentage of compensation paid in cash	40.00%
Percentage of compensation in the form of deferred stock units	60.00%
Number of board of directors \| Directors	8
Number of independent directors entitled to annual compensation \| Directors	5
Number of equal quarterly installments \| Installments		4
CT Investment Management Co LLC [Member] \| New York State Division of Taxation and Finance [Member]
Commitments And Contingencies [Line Items]
Income tax examinations, reserves	$ 0	$ 0
Loans Receivable [Member]
Commitments And Contingencies [Line Items]
Unfunded loan commitments	929,030,000	$ 929,030,000	$ 700,658,000
Five Independent Board of Directors [Member]
Commitments And Contingencies [Line Items]
Annual cash compensation	125,000
Three Board of Directors [Member]
Commitments And Contingencies [Line Items]
Annual cash compensation	125,000
Chairperson of Audit Committee [Member]
Commitments And Contingencies [Line Items]
Annual cash compensation	$ 12,000