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RELATED-PARTY TRANSACTIONS - Transactions with Patriot Affiliates (Details) - USD ($) $ / shares in Units, $ in Thousands | Sep. 15, 2015 | Jul. 14, 2015 | Apr. 06, 2015 | Nov. 07, 2014 | Oct. 30, 2014 | Mar. 31, 2017 | Feb. 24, 2017 | Dec. 31, 2016
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Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Increase is bank-owned life insurance | $ 30,000 | $ 50,000 |  |  |  |  |  |
Bank owned life insurance |  |  |  |  |  | $ 103,093 |  | $ 102,512
Tier 1 risk based capital including future event |  |  |  |  |  | 9.90% |  |
Expenses from transactions with related parties |  |  | $ 263 |  |  |  |  |
Greater Than 5% Shareholder, Patriot |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  | $ 20,000 |  |  |
Greater Than 5% Shareholder, Patriot | Equity Support Payment |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Expenses from transactions with related parties |  |  |  | $ 538 |  |  |  |
Greater Than 5% Shareholder, Patriot | Reimbursement of Out-of-Pocket Expenses |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Expenses from transactions with related parties |  |  |  | $ 100 |  |  |  |
Greater Than 5% Shareholder, Patriot | Voting Common Stock |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  | 3,100,564 |  |  | 2,850,564 |
Ownership percentage |  |  |  | 9.30% |  |  |  |
Greater Than 5% Shareholder, Patriot | Voting Common Stock | Voting Common Stock Option One |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Common stock issuable (in shares) |  |  |  |  | 1,076,000 |  |  |
Price per share issuable |  |  |  |  | $ 9.78 |  |  |
Greater Than 5% Shareholder, Patriot | Voting Common Stock | Voting Common Stock Option Two |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Common stock issuable (in shares) |  |  |  |  | 824,000 |  |  |
Price per share issuable |  |  |  |  | $ 11.55 |  |  |

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- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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