Borrowed Funds (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of Short-term Debt

Short-term borrowings:    A summary of short-term borrowings is presented below:

	Three Months Ended March 31,
	2016						2015
Dollars in thousands	Short-term FHLB Advances			Federal Funds Purchased and Lines of Credit			Short-term FHLB Advances			Federal Funds Purchased and Lines of Credit
Balance at March 31	$	150,000		$	3,448		$	141,550		$	7,435
Average balance outstanding for the period	165,102			3,446			139,590			5,189
Maximum balance outstanding at any month end during period	188,450			3,448			141,780			7,435
Weighted average interest rate for the period	0.58		%	0.50		%	0.32		%	0.25		%
Weighted average interest rate for balances
outstanding at March 31	0.57		%	0.50		%	0.31		%	0.25		%

	Year Ended December 31, 2015
Dollars in thousands	Short-term FHLB Advances			Federal Funds Purchased and Lines of Credit
Balance at December 31	$	167,950		$	3,444
Average balance outstanding for the period	146,412			4,690
Maximum balance outstanding at any month end during period	171,160			7,438
Weighted average interest rate for the period	0.43		%	0.50		%
Weighted average interest rate for balances outstanding at December 31	0.35		%	0.26		%

Schedule of Long-term Debt Instruments

All FHLB advances are collateralized primarily by similar amounts of residential mortgage loans, certain commercial loans, mortgage backed securities and securities of U. S. Government agencies and corporations.

	Balance at March 31,				Balance at   December 31,
Dollars in thousands	2016		2015		2015
Long-term FHLB advances	$	846	$	951	$	873
Long-term reverse repurchase agreements	72,000		72,000		72,000
Term loan	2,257		4,062		2,708
Total	$	75,103	$	77,013	$	75,581

Schedule of Maturities of Long-term Debt

A summary of the maturities of all long-term borrowings and subordinated debentures for the next five years and thereafter is as follows:

Dollars in thousands		Long-term borrowings		Subordinated debentures owed to unconsolidated subsidiary trusts
Year Ending December 31,	2016	$	28,433	$	—
	2017	918		—
	2018	45,017		—
	2019	18		—
	2020	19		—
	Thereafter	698		19,589
		$	75,103	$	19,589