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Nature of Business - Additional Information (Detail)	3 Months Ended
	Sep. 30, 2015 Location Office
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	322
Number of offices opened | Office	6
Alabama [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	49
Georgia [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	3
New Mexico [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	18
North Carolina [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	36
Oklahoma [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	28
South Carolina [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	71
Tennessee [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	21
Texas [Member]
Nature Of Business And Significant Accounting Policies [Line Items]
Number of locations	96

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Nature of business and significant accounting policies.

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The number of new offices opened during the period.

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