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Long-Term Borrowings	12 Months Ended
Long-Term Borrowings	Dec. 31, 2017
Debt Disclosure [Abstract]
Long-Term Borrowings	(10) LONG-TERM BORROWINGS The Company has a line of credit from the Federal Home Loan Bank (“FHLB”) of Topeka, Kansas to use for liquidity or to match-fund certain long-term fixed rate loans. The Company’s assets, including residential first mortgages of $692.6 million, are pledged as collateral for the borrowings under the line of credit. As of December 31, 2017, the Company had the ability to draw up to $551.2 million on the FHLB line of credit based on FHLB stock holdings of $552,300 with no advances outstanding. In addition, the Company has a revolving line of credit with another financial institution with the ability to draw up to $10.0 million with no advances outstanding. This line of credit has a variable rate based on prime rate minus 25 basis points and matures in 2020.