FHLB and other borrowings (Tables)

3 Months Ended

Mar. 31, 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:

	March 31, 2015			December 31, 2014
	Amount		Rate	Amount		Rate
	(in thousands)
By type of borrowing:
FHLB borrowings	$	494,148	1.23%	$	464,553	1.18%
Repurchase agreements		31,000	5.90%		31,000	5.90%
Total borrowings	$	525,148	1.51%	$	495,553	1.48%
By remaining period to maturity:
One year or less	$	238,148	0.50%		258,553	0.50%
One to two years		55,000	1.20%		30,000	1.40%
Two to three years		71,000	2.33%		71,000	2.33%
Three to four years		96,000	2.67%		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	$	525,148	1.51%	$	495,553	1.48%