LONG-TERM DEBT

At December 31, the Company’s long-term debt consisted of the following:



	Amount				Weighted Average rate
(Dollars in thousands)	2017		2016		2017		2016
FHLB fixed rate advances maturing:
2017	$	0	$	20,000	0.00	%	1.00	%
2019	40,000		0		1.86	%	0.00	%
2020	40,350		350		1.76	%	7.40	%
	80,350		20,350		1.81	%	1.11	%
FHLB amortizing advance requiring monthly principal and interest payments, maturing:
2025	3,465		3,813		4.74	%	4.74	%
Total FHLB Advances	$	83,815	$	24,163	1.93	%	1.68	%

Except for amortizing advances, interest only is paid on a quarterly basis.

The following table summarizes the aggregate amount of future principal payments required on these borrowings at December 31, 2017:



Years Ending December 31,
(Dollars in thousands)
2018	$	365
2019	40,382
2020	40,751
2021	421
2022	441
Thereafter	1,455
	$	83,815

The Bank is a member of the FHLB of Pittsburgh and has available the FHLB program of overnight and term advances. Under terms of a blanket collateral agreement for advances, lines and letters of credit from the FHLB, collateral for all outstanding advances, lines and letters of credit consisted of 1-4 family mortgage loans and other real estate secured loans totaling $517,257,000 at December 31, 2017. The Bank had additional availability of $381,892,000 at the FHLB on December 31, 2017 based on its qualifying collateral, net of short-term borrowings and long-term debt detailed above, and non-deposit letters of credit totaling $1,550,000 at December 31, 2017.

The Bank has available unsecured lines of credit, with interest based on the daily Federal Funds rate, with two correspondent banks totaling $30,000,000, at December 31, 2017. The Company also has a $5,000,000 unsecured line of credit, with a bank, at the prime rate of interest, at December 31, 2017. There were no borrowings under these lines of credit at December 31, 2017 and 2016.