Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of maturities of long-term debt

Long-term debt is listed below:

December 31,	2017				2016
(In thousands)	Outstanding Balance		Average Rate		Outstanding Balance			Average Rate
Total Federal Home Loan Bank advances by year of maturity:
2017	$	—	—	%	$	50,000		1.25	%
2018	150,000		2.04	%	150,000			2.04	%
2019	100,000		1.92	%	75,000			1.96	%
2020	50,000		2.04	%	25,000			2.14	%
2021	100,000		1.96	%	—			—	%
2022	—		—	%	—			—	%
Thereafter	100,000		3.40	%	100,000			3.40	%
Total	$	500,000	2.27	%	400,000			2.27	%
Total broker repurchase agreements by year of maturity:
2017	—		—	%	300,000			1.75	%
Total	$	—	—	%	$	300,000		1.75	%
Total combined long-term debt by year of maturity:
2017	—		—	%	350,000			1.68	%
2018	150,000		2.04	%	150,000			2.04	%
2019	100,000		1.92	%	75,000			1.96	%
2020	50,000		2.04	%	25,000			2.14	%
2021	100,000		1.96	%	—			—	%
2022	—		—	%	—			—	%
Thereafter	100,000		3.40	%	100,000			3.40	%
Total	$	500,000	2.27	%	$	700,000		2.05	%
Prepayment penalty	—		—		(5,719		)	—
Total long-term debt	$	500,000	2.27	%	$	694,281		2.07	%