Investment Securities (Tables)

6 Months Ended

Jun. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Available-For-Sale Securities [Table Text Block]

The following table is the schedule of Available-For-Sale Securities at June 30, 2016, December 31, 2015 and June 30, 2015:

Available-For-Sale Securities
	U.S. Agency Obligations		State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Mutual Funds and Equity Securities		Total Available- For-Sale Securities
June 30, 2016
Available-For-Sale Securities,   at Amortized Cost	$	155,859	$	36,256	$	157,926	$	5,749	$	1,120	$	356,910
Available-For-Sale Securities,   at Fair Value	157,990		36,425		161,728		5,555		1,231		362,929
Gross Unrealized Gains	2,131		169		3,806		6		111		6,223
Gross Unrealized Losses	—		—		4		200		—		204
Available-For-Sale Securities,   Pledged as Collateral											267,912
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	—		20,424		10,368		3,248				34,040
From 1 - 5 Years	155,859		14,724		137,109		1,501				309,193
From 5 - 10 Years	—		548		10,449		—				10,997
Over 10 Years	—		560		—		1,000				1,560

Available-For-Sale Securities
	U.S. Agency Obligations		State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Mutual Funds and Equity Securities		Total Available- For-Sale Securities
Maturities of Debt Securities,   at Fair Value:
Within One Year	$	—	$	20,459	$	10,468	$	3,251			$	34,178
From 1 - 5 Years	157,990		14,858		140,293		1,504				314,645
From 5 - 10 Years	—		548		10,967		—				11,515
Over 10 Years	—		560		—		800				1,360
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	710	$	—	$	—	$	710
12 Months or Longer	—		256		—		2,281		—		2,537
Total	$	—	$	256	$	710	$	2,281	$	—	$	3,247
Number of Securities in a   Continuous Loss Position	—		1		2		3		—		6
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	—	$	4	$	—	$	—	$	4
12 Months or Longer	—		—		—		200		—		200
Total	$	—	$	—	$	4	$	200	$	—	$	204
December 31, 2015
Available-For-Sale Securities,   at Amortized Cost	$	155,932	$	52,306	$	177,376	$	14,544	$	1,120	$	401,278
Available-For-Sale Securities,   at Fair Value	155,782		52,408		178,588		14,299		1,232		402,309
Gross Unrealized Gains	264		105		2,236		—		112		2,717
Gross Unrealized Losses	414		3		1,024		245		—		1,686
Available-For-Sale Securities,   Pledged as Collateral											310,857
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	76,802	$	4,289	$	99,569	$	3,616	$	—	$	184,276
12 Months or Longer	—		1,443		903		10,671		—		13,017
Total	$	76,802	$	5,732	$	100,472	$	14,287	$	—	$	197,293
Number of Securities in a   Continuous Loss Position	21		19		30		19		—		89
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	413	$	2	$	1,023	$	2	$	—	$	1,440
12 Months or Longer	1		1		1		243		—		246
Total	$	414	$	3	$	1,024	$	245	$	—	$	1,686
June 30, 2015
Available-For-Sale Securities,   at Amortized Cost	$	156,248	$	59,230	$	154,501	$	16,910	$	1,120	$	388,009
Available-For-Sale Securities,   at Fair Value	156,937		59,303		157,641		16,691		1,245		391,817
Gross Unrealized Gains	788		117		3,350		5		125		4,385
Gross Unrealized Losses	99		43		210		224		—		576
Available-For-Sale Securities,   Pledged as Collateral											289,418

Available-For-Sale Securities
	U.S. Agency Obligations		State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Mutual Funds and Equity Securities		Total Available- For-Sale Securities
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	—	$	—	$	—	$	—
12 Months or Longer	35,149		16,401		47,859		10,232		—		109,641
Total	$	35,149	$	16,401	$	47,859	$	10,232	$	—	$	109,641
Number of Securities in a   Continuous Loss Position	10		71		1		14		—		96
Unrealized Losses on Securities   in a Continuous Loss Position:
Less than 12 Months	$	—	$	—	$	—	$	—	$	—	$	—
12 Months or Longer	99		43		210		224		—		576
Total	$	99	$	43	$	210	$	224	$	—	$	576

Held-To-Maturity Securities [Table Text Block]

The following table is the schedule of Held-To-Maturity Securities at June 30, 2016, December 31, 2015 and June 30, 2015:

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
June 30, 2016
Held-To-Maturity Securities,   at Amortized Cost	$	257,982	$	84,832	$	1,000	$	343,814
Held-To-Maturity Securities,   at Fair Value	265,983		87,795		1,000		354,778
Gross Unrealized Gains	8,002		2,963		—		10,965
Gross Unrealized Losses	1		—		—		1
Held-To-Maturity Securities,   Pledged as Collateral							327,820
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	$	35,656	$	—	$	—	$	35,656
From 1 - 5 Years	86,496		73,022		—		159,518
From 5 - 10 Years	131,644		11,810		—		143,454
Over 10 Years	4,186		—		1,000		5,186
Maturities of Debt Securities,   at Fair Value:
Within One Year	$	35,754	$	—	$	—	$	35,754
From 1 - 5 Years	89,653		75,495		—		165,148
From 5 - 10 Years	136,186		12,300		—		148,486
Over 10 Years	4,390		—		1,000		5,390
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	659		—		—		659
Total	$	659	$	—	$	—	$	659
Number of Securities in a   Continuous Loss Position	3		—		—		3
Unrealized Losses on Securities    in a Continuous Loss Position:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	1		—		—		1
Total	$	1	$	—	$	—	$	1

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
December 31, 2015
Held-To-Maturity Securities,   at Amortized Cost	$	226,053	$	93,558	$	1,000	$	320,611
Held-To-Maturity Securities,   at Fair Value	230,621		94,309		1,000		325,930
Gross Unrealized Gains	4,619		868		—		5,487
Gross Unrealized Losses	51		117		—		168
Held-To-Maturity Securities,   Pledged as Collateral							299,767
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	2,302	$	6,000	$	—	$	8,302
12 Months or Longer	11,764		4,154		—		15,918
Total	$	14,066	$	10,154	$	—	$	24,220
Number of Securities in a   Continuous Loss Position	54		8		—		62
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	11	$	93	$	—	$	104
12 Months or Longer	40		24		—		64
Total	$	51	$	117	$	—	$	168
June 30, 2015
Held-To-Maturity Securities,   at Amortized Cost	$	219,878	$	103,238	$	1,000	$	324,116
Held-To-Maturity Securities,   at Fair Value	223,031		104,330		1,000		328,361
Gross Unrealized Gains	3,737		1,201		—		4,938
Gross Unrealized Losses	583		109		—		692
Held-To-Maturity Securities,   Pledged as Collateral							300,040
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	44,748		3,967		—		48,715
Total	$	44,748	$	3,967	$	—	$	48,715
Number of Securities in a   Continuous Loss Position	157		1		—		158
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	583		109		—		692
Total	$	583	$	109	$	—	$	692