Debt (Tables)

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

Schedule of Short-Term Borrowings:

	2015		2014
Balances at December 31:
Overnight Advances from the Federal Home Loan Bank of New York	$	82,000	$	41,000
Securities Sold Under Agreements to Repurchase	23,173		19,421
Total Short-Term Borrowings	$	105,173	$	60,421
Maximum Borrowing Capacity at December 31:
Federal Funds Purchased	$	35,000	$	35,000
Overnight Advances from the Federal Home Loan Bank of New York	396,956		278,886
Federal Reserve Bank of New York	319,623		307,159

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

Maturity Schedule of FHBLNY Term Advances:

	Balances				Weighted Average Rate
Final Maturity	2015		2014		2015		2014
First Year	$	—	$	10,000	—	%	3.88	%
Second Year	—		—		—	%	—	%
Third Year	10,000		—		1.50	%	—	%
Fourth Year	20,000		—		1.70	%	—	%
Fifth Year	25,000		—		2.02	%	—	%
Total	$	55,000	$	10,000	1.81	%	3.88	%

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

Schedule of Guaranteed Preferred Beneficial Interests in Corporation's Junior Subordinated Debentures

	2015			2014
ACST II
Balance at December 31,	$	10,000		$	10,000
Period-End Interest Rate	3.48		%	3.38		%
ACST III
Balance at December 31,	$	10,000		$	10,000
Period-End Interest Rate	2.33		%	2.23		%