Fair Value Measurements - Additional Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) loan	Jun. 30, 2015 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of Loans measured | loan	6
Nonrecurring Loans Reserves	$ 14,900
Additions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of Loans measured | loan	3
Nonrecurring Loans Reserves	$ 13,200
Nonrecurring Loans Carrying value	$ 28,900
Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of Loans measured | loan	5
Nonrecurring Loans Reserves	$ 2,700
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses from change in fair value	104	$ 757
Fair value of assets on a non-recurring basis	23,242	20,367
Impaired loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses from change in fair value	4,019	110
Fair value of assets on a non-recurring basis	$ 46,815	41,241
Premise and Equipment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses from change in fair value		1,089
Fair value of assets on a non-recurring basis		$ 813