Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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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.

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No definition available.

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Loans and Allowance for Loan Losses - Summary of Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 TDRs	Jun. 30, 2017 TDRs
Debt Securities, Available-for-sale [Line Items]
Number of Loans			49,000	5	10
Pre- Modification Investment			$ 38,458
Post- Modification Investment			$ 38,384
Medallion [Member]
Debt Securities, Available-for-sale [Line Items]
Number of Loans	12	7	47,000
Pre- Modification Investment	$ 8,249	$ 2,695	$ 31,911
Post- Modification Investment	$ 8,175	$ 2,695	$ 31,837
Commercial Loans [Member]
Debt Securities, Available-for-sale [Line Items]
Number of Loans			2,000
Pre- Modification Investment			$ 6,547
Post- Modification Investment			$ 6,547