BORROWINGS (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Federal Home Loan Bank Borrowings

Advances payable to the Federal Home Loan Bank as of December 31 are summarized as follows:

	2017				2016
			Weighted				Weighted
			Average				Average
	Total		Contractual		Total		Contractual
	Outstanding		Rate		Outstanding		Rate
	(Dollars in thousands)
Stated Maturity
2017	$	—	—	%	$	50,000	2.43	%
2018	52,475		1.58	%	—		—	%
Subtotal	52,475		1.58	%	50,000		2.43	%
Amortizing advances	789				819
Total Federal Home Loan Bank Advances	$	53,264			$	50,819

Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]

The table below sets forth the remaining contractual maturity of the Company’s repurchase agreements allocated by source of collateral at the dates indicated:

	December 31
	2017		2016
	(Dollars in thousands)
Sources of Collateral
U.S. government agency securities	$	16,867	$	20,233
Agency mortgage-backed securities	51,273		79,079
Agency collateralized mortgage obligations	94,539		77,601
Total customer repurchase agreements (1)	$	162,679	$	176,913

Schedule of Long-term Borrowings

The following table summarizes long-term debt, net of debt issuances costs, as of the periods indicated:

	December 31
	2017		2016
	(Dollars in thousands)
Junior subordinated debentures
Capital Trust V	$	51,503	$	51,500
Slades Ferry Trust I	10,229		10,224
Central Trust I	5,258		5,302
Central Trust II	6,083		6,081
Subordinated debentures	34,682		34,635
Total long-term debt	$	107,755	$	107,742

Information relating to Trust Preferred Securities [Table Text Block]

Information relating to these trust preferred securities are as follows:

Trust	Description of Capital Securities
Capital Trust V	$50.0 million due in 2037, interest at a variable rate of 3 month LIBOR plus 1.48% (3.07% at December 31, 2017),which, effective on January 17, 2017, has been converted to a fixed rate of 2.84% through the use of an interest rate swap. Prior to 2017, this borrowing had been converted to a fixed rate of 6.52%, through the use of an interest rate swap which expired on December 28, 2016. These securities are callable quarterly, until maturity.
Slades Ferry Trust I	$10.0 million due in 2034, bearing interest at a variable rate of 3 month LIBOR plus 2.79% (4.39% at December 31, 2017). These securities are callable quarterly, until maturity.
Central Trust I	$5.1 million due in 2034, bearing interest at a variable rate of 3 month LIBOR plus 2.44% (4.03% at December 31, 2017). These securities are callable quarterly, until maturity.
Central Trust II	$5.9 million due in 2037, bearing interest at a variable rate of 3 month LIBOR plus 1.65% (3.24% at December 31, 2017), beginning in March of 2017. Previously, the interest was at a fixed rate of 7.015%. These securities are callable quarterly, until maturity.

Schedule of Maturities of Borrowings

The following table sets forth the contractual maturities of long-term debt over the next five years:

	2018		2019		2020		2021		2022		Thereafter		Total
	(Dollars in thousands)
Junior subordinated debentures
Capital trust V	$	—	$	—	$	—	$	—	$	—	$	51,547	$	51,547
Slades ferry trust I	—		—		—		—		—		10,310		10,310
Central trust I	—		—		—		—		—		5,258		5,258
Central trust II	—		—		—		—		—		6,083		6,083
Subordinated debentures	—		—		—		—		—		35,000		35,000
Total	$	—	$	—	$	—	$	—	$	—	$	108,198	$	108,198