Acquisition (Tables)

12 Months Ended

Dec. 31, 2017

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	At August 25, 2017
	(In thousands)
Purchase price	$	3,008
Recognized amounts of identifiable assets acquired and (liabilities assumed), at fair value
Cash and cash equivalents	74,657
Premises and equipment, net	672
Core deposit intangible	1,319
Deposits	(74,529		)
Total fair value of identifiable net assets	2,119
Goodwill	889

The following table presents the estimated fair values of the assets received and liabilities assumed as of the acquisition date:

	At August 25, 2017
	Acquired Book Value		Fair Value Adjustments			Amount Recorded
	(In thousands)
Assets
Cash and cash equivalents	$	71,649	$	—		$	71,649
Premises and equipment, net	553		119			672
Goodwill	—		889			889
Core deposit intangible	—		1,319			1,319
Total assets acquired	$	72,202	$	2,327		$	74,529
Liabilities
Deposits
Noninterest-bearing deposits	$	11,995	$	—		$	11,995
Interest-bearing deposits	62,662		(128		)	62,534
Total deposits	74,657		(128		)	74,529
Total liabilities assumed	$	74,657	$	(128	)	$	74,529

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

Amortization expense of the CDI is expected as follows:

	At August 25, 2017
	(In thousands)
2017	$	53
2018	150
2019	148
2020	144
2021	140
Thereafter	684
Total	$	1,319

Amortization of the fair value adjustment is expected as follows:

	At August 25, 2017
	(In thousands)
2017	$	21
2018	49
2019	30
2020	16
2021	9
2022	3
Total	$	128