XML 118 R102.htm IDEA: XBRL DOCUMENT v3.10.0.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Summary of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance at beginning of period $ 804,479 $ 646,437  
Reclassification to retained earnings due to change in federal corporate tax rate (392)    
Adjusted balance, January 1, 2018   (1,672)  
Reclassification for gains included in net income, net of tax (70) (24) $ (61)
Current year changes, net of tax (3,084) (198) (4,350)
Balance at end of period 1,456,347 804,479 646,437
Unrealized Gain (Loss) on Derivatives      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance at beginning of period 292 176 152
Reclassification to retained earnings due to change in federal corporate tax rate (53)    
Adjusted balance, January 1, 2018   239  
Reclassification for gains included in net income, net of tax 0 0 0
Current year changes, net of tax 112 116 24
Balance at end of period 351 292 176
Unrealized Gain (Loss) on Securities      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance at beginning of period (1,572) (1,234) 3,201
Reclassification to retained earnings due to change in federal corporate tax rate (339)    
Adjusted balance, January 1, 2018   (1,911)  
Reclassification for gains included in net income, net of tax (70) (24) (61)
Current year changes, net of tax (3,196) (314) (4,374)
Balance at end of period (5,177) (1,572) (1,234)
Accumulated Other Comprehensive Income (Loss)      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance at beginning of period (1,280) (1,058) 3,353
Balance at end of period $ (4,826) $ (1,280) $ (1,058)