Loans - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Accounts, Notes, Loans and Financing Receivable
Total loans	$ 2,419,256	$ 2,352,415
Deferred loan fees, net	(1,242)	(945)
Total loans, net of deferred loan fees	2,418,014	2,351,470
Allowance for loan losses	(21,090)	(21,151)
Net loans	2,396,924	2,330,319
Retail Consumer Loans
Accounts, Notes, Loans and Financing Receivable
Total loans	1,219,040	1,202,479
Retail Consumer Loans \| One-to-four family
Accounts, Notes, Loans and Financing Receivable
Total loans	686,229	684,089
Retail Consumer Loans \| HELOCs - originated
Accounts, Notes, Loans and Financing Receivable
Total loans	150,084	157,068
Retail Consumer Loans \| HELOCs - purchased
Accounts, Notes, Loans and Financing Receivable
Total loans	162,181	162,407
Retail Consumer Loans \| Construction and land/lots
Accounts, Notes, Loans and Financing Receivable
Total loans	60,805	50,136
Retail Consumer Loans \| Indirect auto finance
Accounts, Notes, Loans and Financing Receivable
Total loans	150,042	140,879
Retail Consumer Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable
Total loans	9,699	7,900
Commercial Loans
Accounts, Notes, Loans and Financing Receivable
Total loans	1,200,216	1,149,936
Commercial Loans \| Commercial real estate
Accounts, Notes, Loans and Financing Receivable
Total loans	786,381	730,408
Commercial Loans \| Construction and development
Accounts, Notes, Loans and Financing Receivable
Total loans	185,921	197,966
Commercial Loans \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable
Total loans	127,709	120,387
Commercial Loans \| Municipal leases
Accounts, Notes, Loans and Financing Receivable
Total loans	$ 100,205	$ 101,175

Loans And Leases Receivable, Deferred Loan Costs, Net

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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