FHLB and other borrowings (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

The Company’s FHLB and other borrowings and weighted average interest rates are summarized below:

	June 30, 2015					December 31, 2014
	Amount		Rate			Amount		Rate
	(in thousands)
By type of borrowing:
FHLB borrowings	$	533,758		1.20	%	$	464,553		1.18	%
Repurchase agreements		15,000		5.95	%		31,000		5.90	%
Total borrowings	$	548,758		1.33	%	$	495,553		1.48	%
By remaining period to maturity:
One year or less	$	252,758		0.50	%		258,553		0.50	%
One to two years		85,000		1.23	%		30,000		1.40	%
Two to three years		56,000		2.79	%		71,000		2.33	%
Three to four years		90,000		1.89	%		96,000		2.67	%
Four to five years		25,000		1.85	%		—		—
Greater than five years		40,000		3.43	%		40,000		3.42	%
Total borrowings	$	548,758		1.33	%	$	495,553		1.48	%