SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Information 1 (Details)
$ in Thousands |
12 Months Ended |
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Dec. 31, 2016
USD ($)
item
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Jun. 30, 2016 |
May 20, 2016 |
Dec. 31, 2014 |
Oct. 17, 2014 |
| Loans and allowances for loan losses |
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| Number of components in which amount of impairment of securities is spilt | item |
2
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| Maximum maturity period of interest bearing deposits with other financial institutions |
90 days
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| Allowance for Loan Losses Allocated |
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| Historical loss experience period used to determine specific and general components of allowance |
3 years
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| Cheviot Financial Corp. |
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| Loans and allowances for loan losses |
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| Acquisition of outstanding common shares (as a percent) |
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100.00%
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100.00%
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| MBT Bancorp |
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| Loans and allowances for loan losses |
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| Acquisition of outstanding common shares (as a percent) |
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100.00%
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100.00%
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| Minimum |
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| Loans |
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| Past due period of payments of loans |
90 days
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| Allowance for Loan Losses Allocated |
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| Basis points floor of historical losses used to reflect minimum level of risk |
0.15%
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| Amount of impaired loans for which specific reserve is established | $ |
$ 250
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| Minimum | Residential |
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| Allowance for Loan Losses Allocated |
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| Financing term of loans |
15 years
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| Minimum | Consumer |
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| Allowance for Loan Losses Allocated |
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| Financing term of loans |
3 years
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| Maximum | Residential |
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| Allowance for Loan Losses Allocated |
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| Financing term of loans |
30 years
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| Maximum | Consumer |
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| Allowance for Loan Losses Allocated |
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| Financing term of loans |
7 years
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