Loans - Summarizes Changes in Total Contractually Required Principal and Interest Cash Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	$ 333,816
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	332,321	$ 333,816
Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	7,750	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	12,109	7,750
Contractually required principal and interest [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	14,831	0
Additions	12,552	17,169
Deletions	(7,417)	(2,338)
Accretion	0	0
Reclassifications from nonaccretable difference	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	19,966	14,831
Non-accretable difference [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	(5,825)	0
Additions	(4,249)	(7,196)
Deletions	3,153	1,289
Accretion	0	0
Reclassifications from nonaccretable difference	1,674	82
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	(5,247)	(5,825)
Cash flows expected to be collected [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	9,006	0
Additions	8,303	9,973
Deletions	(4,264)	(1,049)
Accretion	0	0
Reclassifications from nonaccretable difference	1,674	82
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	14,719	9,006
Accretable yield [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	(1,192)	0
Additions	(702)	(1,256)
Deletions	357	50
Accretion	601	96
Reclassifications from nonaccretable difference	(1,674)	(82)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	(2,610)	(1,192)
Carrying value of acquired loans [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	7,814	0
Additions	7,601	8,717
Deletions	(3,907)	(999)
Accretion	601	96
Reclassifications from nonaccretable difference	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	12,109	7,814
Allowance for loan losses [Member] | Purchased Credit Impaired Loan [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	(64)	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	$ 0	$ (64)