XML 14 R48.htm IDEA: XBRL DOCUMENT v2.4.0.8

Cash and Cash Equivalents (Details Textual) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Cash and Cash Equivalents [Line Items]
Cash Reserve Deposit Required and Made	$ 267
FHLB of Indianapolis [Member]
Cash and Cash Equivalents [Line Items]
Interest-bearing Cash and Cash Equivalents	7,064
Federal Reserve Bank of Chicago [Member]
Cash and Cash Equivalents [Line Items]
Interest-bearing Cash and Cash Equivalents	$ 44,046

X

- Definition

The sum of cash and cash equivalents interest-bearing cash accounts did not exceed the limits for full FDIC insurance coverage.

+ References

No definition available.

+ Details

Name:	inbk_InterestbearingCashAndCashEquivalents
Namespace Prefix:	inbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Definition

Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 305

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6478312&loc=d3e61473-112792

+ Details

Name:	us-gaap_CashReserveDepositRequiredAndMade
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant