Borrowings (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Federal Home Loan Bank, Advances [Table Text Block]

At December 31, 2016, the terms of the Company's outstanding FHLBB borrowings were as follows:

Balance Sheet Classification	Outstanding Balance		Maturity Date	Interest Rate Range	Next Call Date	Call Amount
Short-Term Borrowings	$	190,000	January 2017	0.73% - 0.84%	N/A	—
Short-Term Borrowings	20,000		July 2017	3.99% - 4.06%	January 2017	$	20,000
Long-Term Borrowings	$	10,000	April 2020	1.87%	N/A	—

Schedule of Borrowed Funds Outstanding

The following table summarizes short term and long term borrowings as presented on the consolidated statements of condition at:

	December 31,
	2016		2015
Short-Term Borrowings (mature within one year):
Customer repurchase agreements	$	225,605	$	184,989
FHLBB borrowings	210,000		255,000
FHLBB and correspondent bank overnight borrowings	89,450		12,800
Wholesale repurchase agreements	5,007		25,000
Capital lease obligation	67		63
Total short-term borrowings	$	530,129	$	477,852
Long-Term Borrowings (maturity greater than one year) :
FHLBB borrowings	$	10,000	$	30,000
Capital lease obligation	791		859
Wholesale repurchase agreements	—		5,052
Total long-term borrowings	$	10,791	$	35,911

Schedule of Amounts Outstanding and Interest Rates of Short-term Borrowings

The table below provides information on the Company's borrowings classified as short-term for the dates indicated:

	December 31,
	2016			2015
Balance outstanding at end of year	$	530,129		$	477,852
Weighted average interest rate	0.74		%	0.57		%