Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Finite-Lived Intangible Assets [Line Items]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table presents gross carrying value and accumulated amortization by major intangible asset class as of March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018				December 31, 2017
	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Goodwill not subject to amortization (effective 1/1/02)	$	63,910	$	3,760	$	63,910	$	3,760
Intangibles from branch acquisition	3,015		3,015		3,015		3,015
Core deposit intangibles	19,862		11,893		19,862		11,473
Other intangibles	3,731		2,331		3,731		2,285
	$	90,518	$	20,999	$	90,518	$	20,533

Intangible Assets, Mortgage Servicing Rights [Table Text Block]

The following table summarizes the activity pertaining to mortgage servicing rights included in intangible assets as of March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018			December 31, 2017
Beginning Balance	$	844		$	985
Mortgage servicing rights amortized	(39		)	(141		)
Ending Balance	$	805		$	844

Schedule of Intangible Assets Amortization Expense [Table Text Block]

Total amortization expense for the three months ended March 31, 2018 and 2017 was as follows (in thousands):

	Three months ended March 31,
	2018		2017
Core deposit intangibles	$	420	$	471
Other intangibles	46		46
Mortgage servicing rights	39		30
	$	505	$	547

Schedule of Expected Amortization Expense [Table Text Block]

Aggregate amortization expense for the current year and estimated amortization expense for each of the five succeeding years is shown in the table below (in thousands):

Aggregate amortization expense:
For period 01/01/18-03/31/18	$	505
Estimated amortization expense:
For period 04/01/18-12/31/18	1,449
For year ended 12/31/19	1,778
For year ended 12/31/20	1,576
For year ended 12/31/21	1,304
For year ended 12/31/22	1,195
For year ended 12/31/23	1,098

First Clover Leaf [Member]

Finite-Lived Intangible Assets [Line Items]

Reconciliation of purchase price to goodwill recorded [Table Text Block]