Investment Securities (Tables)

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities

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

Available-For-Sale Securities
	U.S. Government & 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
December 31, 2016
Available-For-Sale Securities,   at Amortized Cost	$	147,110	$	27,684	$	168,189	$	3,512	$	1,120	$	347,615
Available-For-Sale Securities,   at Fair Value	147,377		27,690		167,239		3,308		1,382		346,996
Gross Unrealized Gains	304		24		986		—		262		1,576
Gross Unrealized Losses	37		18		1,936		204		—		2,195
Available-For-Sale Securities,   Pledged as Collateral,   at Fair Value											262,852
Maturities of Debt Securities, at Amortized Cost:
Within One Year	—		17,001		5,716		2,512				25,229
From 1 - 5 Years	147,110		9,615		101,008		—				257,733
From 5 - 10 Years	—		508		61,465		—				61,973
Over 10 Years	—		560		—		1,000				1,560
Maturities of Debt Securities, at Fair Value:
Within One Year	—		16,994		5,753		2,508				25,255
From 1 - 5 Years	147,377		9,628		100,447		—				257,452
From 5 - 10 Years	—		508		61,039		—				61,547
Over 10 Years	—		560		—		800				1,360
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	70,605	$	12,165	$	126,825	$	500	$	—	$	210,095
12 Months or Longer	—		7,377		—		2,809		—		10,186
Total	$	70,605	$	19,542	$	126,825	$	3,309	$	—	$	220,281
Number of Securities in a   Continuous Loss Position	19		84		40		4		—		147
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	37	$	13	$	1,936	$	1	$	—	$	1,987
12 Months or Longer	—		5		—		203		—		208
Total	$	37	$	18	$	1,936	$	204	$	—	$	2,195
Disaggregated Details:
US Treasury Obligations,   at Amortized Cost	$	54,701
US Treasury Obligations, at Fair Value	54,706
US Agency Obligations, at Amortized Cost	92,409
US Agency Obligations, at Fair Value	92,671
US Government Agency   Securities, at Amortized Cost					$	3,694
US Government Agency   Securities, at Fair Value					3,724
Government Sponsored Entity   Securities, at Amortized Cost					164,495
Government Sponsored Entity Securities, at Fair Value					163,515

Available-For-Sale Securities
	U.S. Government & 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
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,   at Fair Value											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
Disaggregated Details:
US Agency Obligations, at Amortized Cost	$	155,932
US Agency Obligations, at Fair Value	155,782
US Government Agency Securities, at Amortized Cost					$	15,701
US Government Agency Securities, at Fair Value					15,848
Government Sponsored Entity Securities, at Amortized Cost					161,675
Government Sponsored Entity Securities, at Fair Value					162,740

Held-to-maturity Securities

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

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
December 31, 2016
Held-To-Maturity Securities,   at Amortized Cost	$	268,892	$	75,535	$	1,000	$	345,427
Held-To-Maturity Securities,   at Fair Value	267,127		75,624		1,000		343,751
Gross Unrealized Gains	2,058		258		—		2,316
Gross Unrealized Losses	3,823		169		—		3,992
Held-To-Maturity Securities,   Pledged as Collateral,   at Fair Value							321,202
Maturities of Debt Securities, at Amortized Cost:
Within One Year	32,456		—		1,000		33,456
From 1 - 5 Years	86,070		61,712		—		147,782
From 5 - 10 Years	146,603		13,823		—		160,426
Over 10 Years	3,763		—		—		3,763
Maturities of Debt Securities, at Fair Value:
Within One Year	32,505		—		—		32,505
From 1 - 5 Years	87,486		61,764		—		149,250
From 5 - 10 Years	143,375		13,860		—		157,235
Over 10 Years	3,761		—		1,000		4,761
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	107,255	$	13,306	$	—	$	120,561
12 Months or Longer	12,363		—		—		12,363
Total	$	119,618	$	13,306	$	—	$	132,924
Number of Securities in a   Continuous Loss Position	347		13		—		360
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	3,129	$	169	$	—	$	3,298
12 Months or Longer	694		—		—		694
Total	$	3,823	$	169	$	—	$	3,992

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
Disaggregated Details:
US Government Agency Securities, at Amortized Cost			$	3,206
US Government Agency Securities, at Fair Value			3,222
Government Sponsored Entity Securities, at Amortized Cost			72,329
Government Sponsored Entity Securities, at Fair Value			72,402
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,   at Fair Value							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
Disaggregated Details:
US Government Agency Securities, at Amortized Cost			$	3,802
US Government Agency Securities, at Fair Value			3,852
Government Sponsored Entity Securities, at Amortized Cost			89,756
Government Sponsored Entity Securities, at Fair Value			90,457

Schedule of Cost Method Investments

Schedule of Federal Reserve Bank and Federal Home Loan Bank Stock

Federal Reserve Bank and Federal Home Loan Bank Stock are carried at cost.

	December 31,
	2016		2015
Federal Reserve Bank Stock	$	1,071	$	1,060
Federal Home Loan Bank Stock	9,841		7,779
Total Federal Reserve Bank and Federal Home Loan Bank Stock	$	10,912	$	8,839