Borrowings and Other Short-Term Liabilities

A summary of the Corporation's short- and long-term borrowings, and other short-term liabilities follows:



	June 30, 2018				December 31, 2017
(Dollars in thousands)	Amount		Weighted Average Rate ⁽¹⁾		Amount		Weighted Average Rate ⁽¹⁾
Short-term borrowings:
FHLB advances: 1.96% - 2.09% fixed-rate notes	$	2,075,000	2.02	%	$	2,000,000	1.39	%
Line-of-credit: floating-rate based on one-month LIBOR plus 1.75%	20,000		3.73	%	—		—	%
Total short-term borrowings	$	2,095,000	2.04	%	$	2,000,000	1.39	%
Long-term borrowings:
FHLB advances: 1.00% - 2.60% fixed-rate notes due 2018 to 2020⁽²⁾	315,149		1.28		337,204		1.26
Line-of-credit: floating-rate based on one-month LIBOR plus 1.75%	—		—		19,963		3.10
Subordinated debt obligations: floating-rate based on three-month LIBOR plus 1.45% - 2.85% due 2034 to 2035⁽³⁾	11,498		4.56		11,425		3.69
Subordinated debt obligations: floating-rate based on three-month LIBOR plus 3.25% due in 2032⁽⁴⁾	4,309		5.56		4,290		4.59
Total long-term borrowings	330,956		1.45		372,882		1.47
Total borrowings	$	2,425,956	1.96	%	$	2,372,882	1.40	%
Other short-term liabilities:
Collateralized customer deposits	$	378,938	0.61	%	$	415,236	0.44	%


⁽¹⁾	Weighted average rate presented is the contractual rate which excludes premiums and discounts related to purchase accounting.


⁽²⁾	The June 30, 2018 balances include advances payable of $315.0 million and purchase accounting premiums of $0.1 million. The December 31, 2017 balance includes advances payable of $337.0 million and purchase accounting premiums of $0.2 million.


⁽³⁾	The June 30, 2018 balance includes advances payable of $15.0 million and purchase accounting discounts of $3.5 million. The December 31, 2017 balance includes advances payable of $15.0 million and purchase accounting discounts of $3.6 million.


⁽⁴⁾	The June 30, 2018 balance includes advances payable of $5.0 million and purchase accounting discounts of $0.7 million. The December 31, 2017 balance includes advances payable of $5.0 million and purchase accounting discounts of $0.7 million.

Chemical Bank is a member of the FHLB, which provides short- and long-term funding collateralized by mortgage related assets to its members. Each advance is payable at its maturity date, with a prepayment penalty for fixed-rate advances. The Corporation's FHLB advances, including both short-term and long-term, require monthly interest payments and are collateralized by commercial and residential mortgage loans totaling $7.50 billion as of June 30, 2018. The Corporation's additional borrowing availability through the FHLB, subject to the FHLB's credit requirements and policies and based on the amount of FHLB stock owned by the Corporation, was $252.3 million at June 30, 2018. Effective January 1, 2018, the Corporation adopted ASU 2016-01. As a result, the Corporation will continue to report FHLB and Federal Reserve Bank ("FRB") stock at cost.

The line-of-credit agreement contains certain restrictive covenants. The Corporation was in compliance with all of the covenants at June 30, 2018.