Federal Home Loan Bank and Federal Reserve Bank Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Federal Home Loan Bank Advances [Member]

Debt Instrument [Line Items]

Schedule of Maturities of Long-term Debt

At December 31, 2017, FHLB advances were scheduled to mature as follows:

	Federal Home Loan Bank Advances Fixed rate advances
	Weighted Average Rate		Amount
	(dollars in thousands)
Within 1 year	2.58	%	$	4,000
Over 1 through 5 years	3.85	%	2,000
Due after 10 years	5.37	%	5,000
Total			11,000
Valuation adjustment from acquisition accounting			579
Total			$	11,579

Debt Instrument Activity For Year

The maximum, average outstanding and year-end balances and average interest rates on advances from the FHLB were as follows for the years ended December 31, 2017, 2016 and 2015:

	Years ended December 31,
	2017			2016			2015
	(dollars in thousands)
Balance at end of period	$	11,579		$	6,493		$	68,531
Average balance during period	$	79,788		$	79,673		$	70,678
Maximum month-end balance during period	$	317,480		$	250,515		$	242,556
Weighted average rate during period	1.33		%	0.80		%	0.68		%
Weighted average rate at December 31	4.08		%	5.42		%	0.79		%

Schedule of Financial Instruments Owned and Pledged as Collateral

FHLB advances are collateralized by the following:

	December 31,
	2017		2016
	(in thousands)
Recorded value of blanket pledge on loans receivable	$	1,443,554	$	1,510,514
Total	$	1,443,554	$	1,510,514
FHLB borrowing capacity	$	1,432,554	$	1,502,284

Federal Reserve Bank Advances [Member]

Debt Instrument [Line Items]

Schedule of Financial Instruments Owned and Pledged as Collateral

The following table shows amounts pledged to the Federal Reserve Bank:

	December 31,
	2017		2016
	(in thousands)
Fair value of investment securities	$	51,172	$	32,795
Recorded value of pledged commercial loans	48,882		28,212
Total	$	100,054	$	61,007
Federal Reserve Bank borrowing capacity	$	100,054	$	61,007