SHORT-TERM BORROWINGS AND LONG-TERM DEBT	6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]
SHORT-TERM BORROWINGS AND LONG-TERM DEBT	10. SHORT-TERM BORROWINGS AND LONG-TERM DEBT Federal Home Loan Bank Advances and Other Borrowings The bank is a member of the Federal Home Loan Bank of Des Moines (the "FHLB") and maintained a $1.62 billion line of credit as of June 30, 2018, compared to $1.50 billion at December 31, 2017. At June 30, 2018, $1.53 billion was undrawn under this arrangement, compared to $1.47 billion at December 31, 2017. Short-term borrowings under this arrangement totaled $87.0 million at June 30, 2018, compared to $32.0 million at December 31, 2017. There were no long-term borrowings under this arrangement at June 30, 2018 and December 31, 2017. FHLB advances available at June 30, 2018 were secured by certain real estate loans with a carrying value of $2.18 billion in accordance with the collateral provisions of the Advances, Security and Deposit Agreement with the FHLB. At June 30, 2018 and December 31, 2017, our bank had additional unused borrowings available at the Federal Reserve discount window of $71.5 million and $73.0 million, respectively. As of June 30, 2018 and December 31, 2017, certain commercial and commercial real estate loans with a carrying value totaling $125.8 million and $129.2 million, respectively, were pledged as collateral on our line of credit with the Federal Reserve discount window. The Federal Reserve does not have the right to sell or repledge these loans. Subordinated Debentures In October 2003, we created two wholly-owned statutory trusts, CPB Capital Trust II ("Trust II") and CPB Statutory Trust III ("Trust III"). Trust II issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on October 7, 2033. The principal assets of Trust II are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust II trust preferred securities. Trust II issued $0.6 million of common securities to the Company. Trust III issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on December 17, 2033. The principal assets of Trust III are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust III trust preferred securities. Trust III issued $0.6 million of common securities to the Company. In September 2004, we created a wholly-owned statutory trust, CPB Capital Trust IV ("Trust IV"). Trust IV issued $30.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.45% and maturing on December 15, 2034. The principal assets of Trust IV are $30.9 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust IV trust preferred securities. Trust IV issued $0.9 million of common securities to the Company. In December 2004, we created a wholly-owned statutory trust, CPB Statutory Trust V ("Trust V"). Trust V issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 1.87% and maturing on December 15, 2034. The principal assets of Trust V are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust V trust preferred securities. Trust V issued $0.6 million of common securities to the Company. The trust preferred securities, the subordinated debentures that are the assets of Trusts II, III, IV and V and the common securities issued by Trusts II, III, IV and V are redeemable in whole or in part on any interest payment date on or after October 7, 2008 for Trusts II and III, and on or after December 15, 2009 for Trust IV and V, or at any time in whole but not in part within 90 days following the occurrence of certain events. Our obligations with respect to the issuance of the trust preferred securities constitute a full and unconditional guarantee by the Company of each trust's obligations with respect to its trust preferred securities. Subject to certain exceptions and limitations, we may elect from time to time to defer interest payments on the subordinated debentures, which would result in a deferral of distribution payments on the related trust preferred securities, for up to 20 consecutive quarterly periods without default or penalty.

10. SHORT-TERM BORROWINGS AND LONG-TERM DEBT

Federal Home Loan Bank Advances and Other Borrowings

The bank is a member of the Federal Home Loan Bank of Des Moines (the "FHLB") and maintained a $1.62 billion line of credit as of June 30, 2018, compared to $1.50 billion at December 31, 2017. At June 30, 2018, $1.53 billion was undrawn under this arrangement, compared to $1.47 billion at December 31, 2017. Short-term borrowings under this arrangement totaled $87.0 million at June 30, 2018, compared to $32.0 million at December 31, 2017. There were no long-term borrowings under this arrangement at June 30, 2018 and December 31, 2017. FHLB advances available at June 30, 2018 were secured by certain real estate loans with a carrying value of $2.18 billion in accordance with the collateral provisions of the Advances, Security and Deposit Agreement with the FHLB.

At June 30, 2018 and December 31, 2017, our bank had additional unused borrowings available at the Federal Reserve discount window of $71.5 million and $73.0 million, respectively. As of June 30, 2018 and December 31, 2017, certain commercial and commercial real estate loans with a carrying value totaling $125.8 million and $129.2 million, respectively, were pledged as collateral on our line of credit with the Federal Reserve discount window. The Federal Reserve does not have the right to sell or repledge these loans.

Subordinated Debentures

In October 2003, we created two wholly-owned statutory trusts, CPB Capital Trust II ("Trust II") and CPB Statutory Trust III ("Trust III"). Trust II issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on October 7, 2033. The principal assets of Trust II are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust II trust preferred securities. Trust II issued $0.6 million of common securities to the Company.

Trust III issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on December 17, 2033. The principal assets of Trust III are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust III trust preferred securities. Trust III issued $0.6 million of common securities to the Company.

In September 2004, we created a wholly-owned statutory trust, CPB Capital Trust IV ("Trust IV"). Trust IV issued $30.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.45% and maturing on December 15, 2034. The principal assets of Trust IV are $30.9 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust IV trust preferred securities. Trust IV issued $0.9 million of common securities to the Company.

In December 2004, we created a wholly-owned statutory trust, CPB Statutory Trust V ("Trust V"). Trust V issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 1.87% and maturing on December 15, 2034. The principal assets of Trust V are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust V trust preferred securities. Trust V issued $0.6 million of common securities to the Company.

The trust preferred securities, the subordinated debentures that are the assets of Trusts II, III, IV and V and the common securities issued by Trusts II, III, IV and V are redeemable in whole or in part on any interest payment date on or after October 7, 2008 for Trusts II and III, and on or after December 15, 2009 for Trust IV and V, or at any time in whole but not in part within 90 days following the occurrence of certain events. Our obligations with respect to the issuance of the trust preferred securities constitute a full and unconditional guarantee by the Company of each trust's obligations with respect to its trust preferred securities. Subject to certain exceptions and limitations, we may elect from time to time to defer interest payments on the subordinated debentures, which would result in a deferral of distribution payments on the related trust preferred securities, for up to 20 consecutive quarterly periods without default or penalty.